Ключевые слова: 3d, activity, background, block, blocks, box, build, building, buildings, child, childhood, children, color, colorful, concept, connection, construct, construction, creative, creativity, design, development, education, element, fun, game, geometric, group, learn, learning, leisure, multicolor, part, piece, pieces, plastic, plastic blocks, play, play set, preschool, shape, simulation, stack, structure, structures, toy, toy blocks, toy set, toys,