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Didactic toy to practice arithmetic operations, essentially characterized by being constituted from a box that in its upper face involves a series of divisions forming a grid, while two of its adjacent laterals can run two vertical and horizontal movement cursors respectively, which, in their corresponding displacements, drag some normal rods. Among themselves, which involve a set of 3 points of illumination, so that in the different positions of the indicated cursors, which play between notches established according to the vertical and horizontal columns of the grid, the boxes that carry the bulbs are located and focus on the squares of chosen numbers that will be multiplied or added, according to the operation to be performed, whose result will appear illuminated in the corresponding place, by pressing the button for that purpose, which closes the preset circuit, by the position of the cursors in the corresponding notches. (Machine-translation by Google Translate, not legally binding)
ES1969148061U1969-04-291969-04-29
DIDACTIC TOY TO PRACTICE ARITHMETIC OPERATIONS.
ExpiredES148061Y
(en)
Graphic and conceptual retention game, of commercial interest, with economic incentives. (Machine-translation by Google Translate, not legally binding)