Ключевые слова: abstract, activity, background, block, blue, box, brick, build, building, buildingblock, child, childhood, closeup, color, concept, connect, connection, construct, construction, cube, design, detail, development, education, element, fun, game, geometric, group, heap, learn, leisure, multi, nobody, object, pattern, plastic, play, preschool, regular, row, shape, solid, stack, structure, surface, texture, toy,