Ключевые слова: a childs hands, a hand, a hobby, a process, baby, baby cubes, bolts, building, children, children playground, collect, creativity, designer, details, development, disassemble, geometric shapes, geometry, gift, keys, logic, machine, material, mechanics, multicolored, nuts, parts, plastic, play, pyramids, thinking, to build, to create, towers, town, toy cubes, transport, wood,