Ключевые слова: activity, balance, chain, childhood, colorful, concept, equipment, exercise, free, fun, game, green, happiness, joy, kids, leisure, object, old, outdoor, outside, park, people, play, playful, playground, recreation, red, seesaw, silhouette, sky, slide, small, summer, swing, swinging, symbol, teeter, totter, toy, up, wooden, yellow, young,