JPH0810453A - Assemblage of block variable in configuration - Google Patents

Abstract

PURPOSE:To provide a variably configured block assemblage variable in all geometric configurations according to a change in the position and direction of the block and capable of enjoying the dynamic design. CONSTITUTION:A plurality of blocks 11-18 having the same configuration are prepared. An outside block connecting body 1 is composed of a half of the blocks and an internal block connecting body 2 is composed of the remaining half blocks. The internal block connecting body 2 is assembled into a solid cubic shape so that it can be incorporated in the hollow cubic-shaped outside block connecting body 1. The outside block connecting body 1 and the internal block connecting body 2 integral with each other under the incorporated condition can be varied in the developed, reversed and zigzagged configurations.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a form variable block assembly used as, for example, a school teaching material or a toy.

[0002]

2. Description of the Related Art As a teaching material or a toy, a building block set or a block puzzle consisting of a large number of blocks having different shapes is known. These are composed of a plurality of blocks having different shapes, and by combining these blocks, a predetermined shape or model or an arbitrary model can be produced, and it is used as an education to enhance creativity and as a brain game.

[0003]

By the way, in the conventional building block set and block puzzle, since individual blocks are separated, there are various combinations, and as an education for enhancing the creativity of infants or children, and also for the brain. It's great as a game, but it's static and you can't enjoy the continuous change of shape (dynamic design).

The present invention has been made in view of the above circumstances. The object of the present invention is to make the position of the block, while having a simple shape composed of a combination of cubes.
An object of the present invention is to provide a variable shape block assembly that can change into any geometrical shape by changing its orientation and can enjoy a dynamic design.

[0005]

Means and Actions for Solving the Problems
In order to achieve the above-mentioned object, the first aspect of the present invention is to combine two of four cubes having the same size into a rectangular parallelepiped,
The remaining two cubes are connected to the two adjacent side faces of one cube forming this cube in a direction perpendicular to the longitudinal direction of the cube, and the first cube located at the corner is used as a reference to place the first cube above the cube. Two cubes were prepared, and a plurality of blocks of the same shape in which the third cube and the fourth cube were formed on the sides were prepared. Half of the blocks were external block connected bodies, and the remaining half were internal block connected bodies. The external block connected body is arranged in two rows so that the end faces of the third cube and the fourth cube of the block face each other, and the blocks located at both ends of the row are the third cube and the third cube. The four cubes are rotatably connected to each other at their ridges, and the block located in the middle is rotatably connected to the ridges of the second cube and the fourth cube and the second cube and the fourth cube to form an annular shape. Configured and deployed It said block connecting portion as a fulcrum is in the form of inverted and zigzag, is in the assembled state becomes hollow cubic shape having a rectangular opening 6 faces,
The internal block connection body is arranged in two rows so that the third cube and the fourth cube of the block are opposite to each other and the end faces of the first cube are joined to each other, and the blocks located at both ends of the row are The ridges of the second cube are rotatably connected to each other, and the block located in the middle is rotatably connected to the ridges of the third cube, the fourth cube, and the second cube to form an annular shape. In the unfolded state, the block has an inverted and zigzag shape with the connecting portion as a fulcrum, and in the assembled state, the block has a solid cubic shape having convex portions composed of second to fourth cubes. By having a solid cube shape during assembly, it can be incorporated into the hollow cube shape of the outer block connection body, and in this assembled state, the outer block connection body and the inner block connection body are integrally developed, inverted and Wherein the form is variable in Guzagu.

According to a second aspect of the present invention, the side surfaces of the first and second rectangular parallelepipeds, which are formed by connecting two cubes having the same size, are joined to each other, and one end surface of one rectangular parallelepiped is connected to the side surface of the other rectangular parallelepiped. Prepare a plurality of blocks of the same shape that are connected at right angles so as to form one unit, and half of the blocks form an external block connected body, and the remaining half blocks form an internal block connected body, and the external block connected body is formed. Is the first of the block
The side surfaces of the rectangular parallelepipeds are joined to each other, and the second rectangular parallelepiped is connected to the first side.
The blocks are arranged in two rows side by side so as to face each other through a rectangular parallelepiped, the blocks located at both ends of the row are rotatably connected at the ridges of the first rectangular parallelepiped, and the blocks located in the middle are 1
The ridges of the rectangular parallelepipeds and the second rectangular parallelepipeds are rotatably connected to each other to form an annular shape. In the expanded state, the first rectangular parallelepipeds are arranged side by side, the second rectangular parallelepipeds are opposed to each other, and the connecting portion is a fulcrum. As a result, the block has an inverted and zigzag shape, and in an assembled state has a hollow cubic shape in which a rectangular opening, a recess and a column are formed on two opposite surfaces, and the inner block connection body is formed by connecting the first rectangular parallelepiped of the block to each other. The side faces are joined, and the second rectangular parallelepipeds are arranged side by side in two rows so as to face each other through the first rectangular parallelepiped, and the blocks located at both ends of the row are rotatable at the ridges of the first rectangular parallelepipeds. And the block located in the middle part is rotatably connected at the ridges of the first rectangular parallelepiped and the second rectangular parallelepiped to form an annular shape, and the first rectangular parallelepiped is juxtaposed in the deployed state. Two cuboids In addition, the block has an inverted shape and a zigzag shape with the connecting portion as a fulcrum, and when assembled, the block has a solid cubic shape with a convex portion, a lateral beam portion and a concave portion formed on two opposite surfaces. By assembling the connecting body into a solid cubic shape, the convex portion fits in the rectangular opening portion of the outer block connecting body, the lateral beam portion fits in the concave portion, and the recessed portion fits in the column portion. It can be installed inside the hollow block shape of the outer block connected body, and in this installed state, the outer block connected body and the inner block connected body are integrally developed,
It is characterized in that the shape is variable between inversion and zigzag.

[0007]

Embodiments of the present invention will be described below with reference to the drawings.

1 to 10 show a first embodiment, and FIG.
Shows the assembled state of the form variable block assembly. This form variable block assembly is basically composed of two blocks, an outer block connecting body 1 and an inner block connecting body 2, and the outer block connecting body 1 and the inner block connecting body 2 are colored in different colors. Has been done.

First, the external block connecting body 1 will be described. In this embodiment, eight blocks 1 ₁ of the same form are used.
~ ₁₈ and. These blocks 1 ₁ to 1
_{Since 8} has the same structure, one of them (block 1 ₁ ) will be described, as shown in (a) and (b) of FIG.
For example, it is made of a material such as wood, a synthetic resin material, or a metal, and two of four cubes having the same size are vertically joined to each other to form a rectangular parallelepiped. The remaining two cubes are connected to two adjacent side surfaces in a direction perpendicular to the longitudinal direction of the rectangular parallelepiped. Then, with the first cube 3a located at the corner portion of the block 1 ₁ as a reference, a second cube
The cube 3b has the third cube 3 on the side of the first cube 3a.
c and the fourth cube 3d are formed. In the above description, it is assumed that the block 11 is composed of a combination of four cubes, but for convenience of description, the blocks 1 to ₁ are referred to as the first to fourth cubes 3a to 3d. The second cube 3a, 3b is integrally connected to the rectangular parallelepiped, the third
And fourth cube 3c, may be obtained by combining the 3d, the block 1 ₁ may be one formed integrally.

The eight blocks 1 ₁ to ₁₈ of the same shape formed as described above are, as shown in FIGS. 3 and 4,
Four pieces (blocks 1 ₁ to 14) and (blocks 1 ₅ to ₃ ) so that the end faces of the third cube 3c and the fourth cube 3d face each other.
₁₈ ) are arranged side by side in two rows. Blocks 1 ₁ and 1 ₅ and blocks 1 ₄ and 1 ₈ located at both ends of this row are
At the ridges on the outer surfaces of the third cube 3c and the fourth cube 3d, a connecting portion, for example, a flexible sheet-like connecting member 4 such as a tape, can be rotated 180 ° as shown in FIG. It is connected. Blocks 1, _2, 1 ₃ and blocks _{16, 6, 17} located in the middle of the row are similar connecting members at the ridges on the upper and lower side surfaces of the third cube 3b, the fourth cube 3d, and the second cube 3a. 18 by 4
It is connected so that it can rotate 0 °. Therefore, the eight blocks 1 ₁ to ₁₈ are connected to each other at both ends of the row so that they are formed in an annular shape, and these blocks 1 ₁ to ₁₈ are rotatably connected via the connecting member 4. .

With the external block connecting body 1 thus constructed, the blocks 1 ₁ to ₁₈ are inverted and the shape thereof is changed depending on whether the connecting member 4 is mountain-folded or valley-folded in the unfolded state. Change. 4A and 4B show an example thereof, and FIGS. 4A and 4B show a state of being turned upside down. External block connecting body 1 is in the assembled state, the end face of the second cube 3b comrades blocks 1 ₁ to 1 ₄ and the block 1 _{5-1 8} located at both ends of the column are joined, it is hollow cubic shape, its Rectangular openings 5 are formed on the upper, lower, left, right, and front and rear six surfaces. Further, as shown in FIG.
By pulling in a direction (arrow direction) to separate the blocks 1 ₁ to 1 ₄ and the block 1 _{5-1 8} located at both ends of the outer block connecting body 1 developed in the state, as shown in (b) It has a zigzag shape.

Next, the internal block connecting body 2 will be described. As shown in FIG. 7, it is composed of _eight blocks 2 ₁ to 2 ₈ of the same form. These blocks 2 ₁ to 2 ₈ are the same structure as the blocks constituting the outer block connecting body 1, is omitted, connecting block form is different from the external block connecting body 1.

In the eight blocks 2 ₁ to 2 ₈ , the end faces of the third cube 3c and the fourth cube 3d are opposed to each other, and the first and second cubes 3a and 3b and the third cube 3c and the fourth cube 3d are arranged. four such side are joined (block 2 ₁ to 2
₄₎ and (it is juxtaposed in the block 2 _{5-2 8)} two columns. The blocks 2 ₁ and 2 ₅ and the blocks 2 ₄ and 2 ₈ located at both ends of this row are formed by flexible sheet-like connecting members 4 such as tapes at the ridges on the upper end surfaces of the second cubes 3b. It is connected so that it can rotate 180 degrees.

In addition, the block 2 _2, located in the middle of the row
And 2 ₃ and blocks 2 ₆ and 2 ₇ are rotatably connected by 180 ° by a similar connecting member 4 at the ridges on the lower surfaces of the second cube 3b and the third cube 3c and the fourth cube 3d. There is. Therefore, eight blocks 2 _1-
2 ₈ is connected to both ends of the row so that it is formed in an annular shape, and these blocks 2 ₁ to 2 ₈ are rotatably connected via a connecting member 4.

The internal block connecting member 2 configured in this way, in a developed state, the coupling member 4 or to crease, by either a valley fold, block 2 ₁ to 2 ₈ is inverted, its form Change. 8A and 8B show an example thereof, and FIGS. 8A and 8B show the state of being turned upside down.

In the assembled state, the inner block connecting body 2 is joined to the side surfaces of the blocks 2 ₁ to 2 ₄ and the blocks 2 ₅ to 2 ₈ located at both ends of the row, which are the first cube 3a and the second cube 3b. Therefore, it has a solid cubic shape, and a rectangular convex portion 6 in which four cubes are gathered is formed on the upper, lower, left and right, and front and rear six surfaces. The inner block connecting body 2
The convex portion 6 of the outer block connecting body 1 can be fitted into the rectangular opening 5 of the outer block connecting body 1, and the inner block connecting body 2 is assembled into a solid cube shape to form a hollow cube of the outer block connecting body 1. It can be embedded inside the shape. That is, when the outer block connected body 1 is developed as shown in FIG. 4B, one rectangular opening 5 is formed in the center thereof. Next, the assembled inner block connection body 2
Is mounted, and the convex portion 6 located on the lower side is fitted into the rectangular opening portion 5. At this time, it is necessary to make the expansion directions of the outer block connecting body 1 and the inner block connecting body 2 coincide with each other. In this state, when the blocks 2 ₁ and 2 ₅ and the blocks 2 ₄ and 2 ₈ at both ends of the outer block connected body 1 are rotated from the expanded state to the assembled state, the inner block connected body 2 is moved by the outer block connected body 1. It is assembled to wrap up. Then, each rectangular opening 5 of the external block connected body 1
The convex portion 6 of the inner block connected body 2 is fitted to the outer block connected body 1 and the outer block connected body 1 and the inner block connected body 2 are integrated,
The form is as shown in FIG.

A state in which the outer block connecting body 1 and the inner block connecting body 2 are integrally connected is referred to as a block assembly 7, and the block assembly 7 includes the outer block connecting body 1 and the inner block connecting body 2. It is possible to integrally develop according to the development procedure of No. 1, the form is changed sequentially with the development, a dynamic design is exhibited, and the outer block connected body 1 and the inner block connected body 2 are colored in different colors. Therefore, you can enjoy the beauty. That is, when the block assembly 7 is expanded outward from the central portion thereof, as shown in FIG.
Of a state shown in (a), the block 1 ₁ to 1 ₄ further positioned at both ends of the block assembly 7 and the block 1 ₅ -
By pulling 1 and ₈ in the direction of separation (arrow direction),
As shown in (b), it has a zigzag shape. Further, by pulling in the direction (arrow direction) to separate the rows of columns of blocks ₁ 1 to 1 ₄ and the block 1 _{5-1 8,} FIG. 10
The shape changes to a ring as shown in.

11 to 17 show a second embodiment, and FIG. 11 shows an assembled state of the form variable block assembly. This form variable block assembly is composed of an outer block connecting body 11
And the inner block connected body 12, and the outer block connected body 11 and the inner block connected body 12 are colored in different colors.

First, the external block connection body 11 will be described. The external block connection body 11 is composed of _eight blocks 11 _{1 to} 11 ₈ of the same form. Since these blocks 11 _{1 to} 11 ₈ have the same structure, one of them (block 11 ₁ ) will be described as shown in (a) and (b) of FIG.
For example, the side surfaces of the first and second rectangular parallelepipeds 13a and 13b, which are made of wood, a synthetic resin material, or a material such as metal, and which are formed by joining two cubes having the same size, are joined together, It has a shape in which one end surface of one rectangular parallelepiped 13a is connected at right angles so as to be flush with the side surface of the other rectangular parallelepiped 13b. In the above description, the block 11 ₁
Is composed of a combination of two rectangular parallelepipeds, but for convenience of explanation, the first and second rectangular parallelepipeds 13a, 1
Up to the point 3b, the block 11 ₁ may be integrally formed.

As shown in FIG. 13, the _eight blocks 11 _{1 to} 11 ₈ of the same shape formed as described above are the first blocks.
Four (blocks 11 _{1 to} 11 ₄ ) and (blocks 11 ₅ to 11 ₄ ) are arranged so that the side surfaces of the rectangular parallelepiped bodies 13a are joined to each other and the second rectangular parallelepiped bodies 13b face each other via the first rectangular parallelepiped body 13a.
₈ ) are arranged side by side in two rows. Blocks 11 ₁ and 11 ₅ and blocks 11 ₄ and 11 located at both ends of this row
The ridges _{8 on} the end faces of the first rectangular parallelepipeds 13a are rotatably connected by 180 ° by a flexible sheet-like connecting member 14 such as a tape. In addition, blocks 11 _2, 11 ₃ and block 11 located in the middle of the row
_6, and 11 ₇ are connected in a freely 180 degrees turned by the same connecting member 14 at the ridge of the first rectangular solid 13a mutually and the second cuboid 13b mutual lower side and upper side. Therefore, the eight blocks 11 _{1 to} 11 ₈ are connected to each other at both ends of the row and thus are formed in an annular shape. The blocks 11 _{1 to} 11 ₈ are rotatably connected via the connecting member 14. .

The external block connecting body 11 thus constructed has the blocks 11 _{1 to} 11 ₈ depending on whether the connecting member 14 is mountain-folded or valley-folded in the expanded state.
Is inverted and its form changes. FIG. 15 shows an example thereof, showing a state in which (a ′) and (a) are turned upside down.

The external block coupling body 11, in the assembled state, for joining the end face of the second cube 3a comrades blocks 1 ₁ to 1 ₄ and the block 1 _{5-1 8} located at both ends of the column, hollow cubic shape A rectangular opening 15 is formed on the upper and lower two surfaces, a recess 16 is formed on the front and rear surfaces, and a pillar portion 17 is formed on the left and right surfaces. Further, similarly to the first embodiment, by pulling the blocks 11 _{1 to} 11 ₄ and the blocks 11 _{5 to} 11 ₈ located at both ends thereof in the direction in which they are separated in a state where the external block connected body 11 is expanded. , In a zigzag shape.

Next, the inner block connecting body 12 will be described. As shown in FIG. 16, it is composed of _eight blocks 12 _{1 to} 12 ₈ of the same form. These blocks 12 _{1 to} 12 ₈ have the same structure as the blocks forming the external block connected body 11, and thus the description thereof will be omitted, but the block connection form is different from that of the external block connected body 11. The eight blocks 12 _{1 to} 12 ₈ are 4 (blocks 12 _{1 to} 12 ₄ ) such that the side surfaces of the first rectangular parallelepiped 13a are joined to each other and the second rectangular parallelepiped 13b are opposed to each other via the first rectangular parallelepiped 13a. And (blocks 12 _{5 to} 12 ₈ ) are juxtaposed in two rows. Blocks 12 ₁ and 12 ₅ and blocks 12 ₄ and 12 ₈ located at both ends of this row are
The first rectangular parallelepiped 13a and the second rectangular parallelepiped 13b are rotatably connected by 180 ° by a flexible sheet-like connecting member 14 such as a tape at the ridges on the upper and lower end surfaces thereof. Therefore, eight blocks 12 _{1 to} 12
_{Since 8} is connected at both ends of the row, it is formed in an annular shape, and these blocks 12 _{1 to} 12 ₈ are rotatably connected via a connecting member 14.

[0024] Whether such internal block assembly 12 constructed as above, in a developed state, the coupling member 14 to crease, by either valley fold, block 12 ₁ to 12 ₈
Is inverted and its form changes. FIG. 16 shows an example thereof, showing a state in which (a ′) and (a) are turned upside down.

In the assembled state, the inner block connecting body 12 is constructed such that the blocks 12 _{1 to} 12 ₄ and the blocks 12 _{5 to} 12 ₈ located at both ends of the row are joined to each other in a back-to-back state. It has a real cube shape, and the convex portions 18 are provided on the upper and lower two surfaces thereof, and the lateral beam portions 19 are provided on the front and rear two surfaces thereof.
A concave portion 20 is formed on the surface. The convex portion 18 of the inner block connecting body 12 can be fitted into the rectangular opening portion 15 of the outer block connecting body 11, the lateral beam portion 19 can be fitted into the concave portion 16, and the concave portion 20 can be fitted into the column portion 17, respectively. By assembling the connecting body 12 into a solid cubic shape, it can be incorporated into the hollow block shape of the outer block connecting body 11.

That is, the external block connecting body 11 is shown in FIG.
As shown in FIG. 5, the projecting portion 18 located below the assembled inner block connecting body 12 is placed at the center thereof. At this time, the expansion directions of the outer block connected body 11 and the inner block connected body 12 need to be aligned. In this state, the blocks 11 at both ends of the outer block connecting body 11 are
_{When the} blocks ₁ and 11 ₅ and the blocks 11 ₄ and 11 ₈ are rotated from the deployed state to the assembled state, the inner block connecting body 12
Is assembled so as to be wrapped by the outer block connecting body 11. Then, the outer block connected body 11 and the inner block connected body 12 are integrally formed by fitting the rectangular opening portion 15 and the convex portion 18, the lateral beam portion 19 and the concave portion 16, and the concave portion 20 and the pillar portion 17, respectively. The form is as shown in FIG.

A state in which the outer block connecting body 11 and the inner block connecting body 12 are integrally connected is referred to as a block assembly 21, and the block assembly 21 includes the outer block connecting body 11 and the inner block connecting body 12. It is possible to integrally develop according to the development procedure of No. 1, the form is changed sequentially with the development, a dynamic design is exhibited, and the outer block connected body 1 and the inner block connected body 2 are colored in different colors. Therefore, you can enjoy the beauty. That is, when the block assembly 21 is expanded from the central portion to the outside, the state shown in (a) of FIG. 17 is obtained, and the blocks 11 ₁ to 11
By drawing 11 ₄ and the blocks 11 _{5 to} 11 ₈ in the direction in which they are separated (the direction of the arrow), a zigzag shape is obtained as shown in (b). Further, blocks 11 _{1 to} 11 ₄
By pulling the row of (1) and the row of blocks 11 _{5 to} 11 _{8 in} the direction of separating from each other, the shape is changed to an annular shape as in the first embodiment.

According to the first and second embodiments, 16 blocks form the external block connecting body and the internal block connecting body. However, by increasing the number of blocks, a more complicated shape is formed. Block assemblies of varying configurations can be constructed.

[0029]

As described above, according to the present invention, even though the shape is a simple combination of cubes, it can be changed to any geometrical shape by changing the position / direction of the block. You can enjoy the dynamic design. Therefore, it can be enjoyed as a game by increasing creativity by using it as a school teaching material and by using it as a toy.

[Brief description of drawings]

FIG. 1 is a perspective view of a form variable block assembly showing a first embodiment of the present invention.

FIG. 2 is a perspective view and a side view showing a block of the embodiment.

FIG. 3 is a perspective view of an external block connection body of the same embodiment.

FIG. 4 is a perspective view of the external block connected body of the embodiment in a developed state.

5 is an enlarged plan view showing a portion A of FIG. 4. FIG.

FIG. 6 is a side view of the external block connected body of the embodiment in a developed state.

FIG. 7 is a perspective view of an internal block connection body of the embodiment.

FIG. 8 is a perspective view of an expanded state of the external block connected body of the embodiment.

FIG. 9 is a perspective view of the block assembly of the embodiment in a developed state.

FIG. 10 is a plan view of the block assembly of the embodiment in a developed state.

FIG. 11 is a perspective view of a form variable block assembly showing a second embodiment of the present invention.

FIG. 12 is a perspective view showing a block of the embodiment.

FIG. 13 is a perspective view of the external block connection body of the embodiment.

FIG. 14 is a perspective view of an internal block connection body of the embodiment.

FIG. 15 is a perspective view of the external block connected body of the embodiment in a developed state.

FIG. 16 is a perspective view of the internal block connected body of the embodiment in a developed state.

FIG. 17 is a perspective view of the block assembly of the embodiment in a developed state.

[Explanation of symbols]

1 ... Outer block connection body, 2 ... Inner block assembly, 3
A～3c ... cube, 4 ... connecting member, ₁ 1 to 1 _8, 2 ₁ ~
2 ₈ ... block, 5 ... rectangular opening, 6 ... protrusion.

Claims (2)

[Claims] 1. A rectangular parallelepiped is formed by combining two of four cubes having the same size, and the remaining two cubes are provided on two adjacent side faces of one cube forming the rectangular parallelepiped. Connected in the direction perpendicular to the direction, and with the first cube located at the corner as a reference, the second cube above it,
A plurality of blocks of the same shape having a third cube and a fourth cube formed on the side thereof are prepared, and half of the blocks form an outer block connected body, and the remaining half blocks form an inner block connected body. The external block connected bodies are arranged in two rows side by side so that the end faces of the third cube and the fourth cube of the blocks face each other, and the blocks located at both ends of the row are the third cube and the fourth cube.
The blocks that are rotatably connected to each other at the ridges of the cubes and the blocks located in the middle are rotatably connected to the ridges of the second cube and the fourth cube and the ridges of the second cube and the fourth cube to form an annular shape. However, in the unfolded state, the block has an inverted and zigzag shape with the connecting portion as a fulcrum, and in the assembled state, 6
It becomes a hollow cube shape having a rectangular opening in the surface, and the inner block connected body is arranged in two rows so that the third cube and the fourth cube of the block are opposite to each other and the end faces of the first cube are joined to each other. , The blocks located at both ends of the row are rotatably connected to each other at the ridges of the second cube, and the blocks located at the middle are the ridges of the third cube, the fourth cube, and the second cube. In the expanded state, the block has an inverted and zigzag shape with the connecting portion serving as a fulcrum, and in the assembled state, there are convex portions composed of second to fourth cubes. It becomes a solid cube shape, and by assembling the inner block connection body to form a solid cube shape, it can be incorporated inside the hollow cube shape of the outer block connection body, and the outer block connection is made in this assembled state. An internal block concatenation is deployed together, form variable block assembly, characterized in that form the inverting and zigzag is variable. 2. The side surfaces of a first and a second rectangular parallelepiped formed by connecting two cubes having the same size are joined to each other, and one end surface of one rectangular parallelepiped is flush with the side surface of the other rectangular parallelepiped. As described above, a plurality of blocks of the same shape joined at right angles are prepared, and half of them form an external block connected body, and the remaining half of the blocks form an internal block connected body, and the external block connected body is a block. Side surfaces of the first rectangular parallelepipeds are joined together, and the second rectangular parallelepipeds are arranged side by side in two rows so as to face each other through the first rectangular parallelepiped. The blocks that are rotatably connected at the ridges and located in the middle part are rotatably connected at the ridges of the first rectangular parallelepiped and the second rectangular parallelepiped to each other to form an annular shape. Are installed side by side and the second rectangular parallelepipeds are paired with each other. In addition, the block has an inverted and zigzag shape with the connecting portion as a fulcrum, and in the assembled state, it has a hollow cube shape having a rectangular opening, a concave portion and a column portion formed on two opposite surfaces, and the internal block connecting body is formed. Are arranged side by side in two rows such that the side surfaces of the first rectangular parallelepipeds of the blocks are joined to each other and the second rectangular parallelepipeds are opposed to each other via the first rectangular parallelepiped. The blocks that are rotatably connected to each other at the ridges of the rectangular parallelepiped and are located in the middle part are rotatably connected to the ridges of the first rectangular parallelepiped and the second rectangular parallelepiped to form an annular shape. 1) The rectangular parallelepipeds are arranged side by side, the second rectangular parallelepipeds are opposed to each other, and the block has an inverted and zigzag shape with the connecting portion as a fulcrum. In the assembled state, the convex portion and the horizontal portion are opposite to each other. Portion and a recessed portion is formed into a solid cube shape, by forming the inner block connection body into a solid cube shape, a convex portion in the rectangular opening portion of the outer block connection body, a horizontal beam portion in the recessed portion, Furthermore, the recess fits into the pillar,
The inner block connecting body can be installed inside the hollow cube shape of the outer block connecting body, and in this installed state, the outer block connecting body and the inner block connecting body can be integrally developed, and the shape can be changed in a zigzag manner. A variable shape block assembly characterized by: