Ключевые слова: activity, background, beautiful, birthday, block, celebration, center, child, children, color, cube, cubes, design, family, foam, fun, gray, happy, holiday, indoor, jump, kid, kindergarten, laughing, leisure, many, nobody, park, party, pattern, pit, plastic, play, playground, playpen, pool, room, rubber, shape, soft, sport, square, texture, toy, trampoline,