SYSTEM OF STACKED BLOCKS Russian patent published in 2001 - IPC

FIELD: production of toys, in particular, construction sets. SUBSTANCE: system of stacked blocks has box-shaped blocks with connecting button on their top surfaces, or blocks with several connecting buttons arranged on block top surfaces in single pattern with unchangeable module distance. Bottom side of these blocks is equipped with connecting members that may be joined one to another. At least part of connecting button is defined by surface with axial symmetry having rounded or narrowing shape. Maximum transverse size of block surface equipped with only one connecting button is less than or equal to difference between maximum diameter of connecting button and doubled module distance. EFFECT: simplified construction and convenient usage. 9 cl, 5 dwg