Ключевые слова: activity, background, block, blocks, blue, brick, build, building, child, childhood, children, closeup, color, colorful, concept, construction, constructor, creative, cube, cubes, design, designer, development, education, fun, game, geometric, green, happy, home, isolated, joy, kindergarten, learn, multicolored, object, plastic, play, playful, playground, preschool, red, shape, stack, time, toy, transportation, white, yellow,