Ключевые слова: activity, baby, background, block, boy, brick, bricks, build, car, child, childhood, children, color, colorful, concept, construct, construction, creative, creativity, cube, design, designer, development, duplo, education, educational, frame, fun, game, geometric, hand, kid, kids, kindergarten, learn, leisure, pattern, plastic, play, playful, preschool, toy, toys, trading cards, train, transportation, vehicle, yellow,