A63H—TOYS, e.g. TOPS, DOLLS, HOOPS OR BUILDING BLOCKS
A63H33/00—Other toys
A63H33/04—Building blocks, strips, or similar building parts
A63H33/10—Building blocks, strips, or similar building parts to be assembled by means of additional non-adhesive elements
A63H33/107—Building blocks, strips, or similar building parts to be assembled by means of additional non-adhesive elements using screws, bolts, nails, rivets, clamps