Ключевые слова: active, activity, baby, balance, beach, bicycle, bicycling, bike, boy, brother, child, childhood, cycle, cyclist, design, enjoy, exercise, fun, happy, having, helmet, kid, laufrad, learn, lifestyle, little, nature, outdoor, outside, park, parking, person, play, playing, recreation, ride, riding, run, running, safe, safety, smile, son, sport, spring, summer, toddler, transport, tree, young,