Ключевые слова: active, activity, alone, background, balance, board, boy, brother, child, childhood, children, exercise, fall, fast, fitness, friends, friendship, fun, girl, handle, handlebar, healthy, hobby, isolated, kid, learning, leisure, lifestyle, motion, playing, push, recreational, ride, scooter, sister, skate, skateboard, slow, small, speed, sport, spring, toy, training, transport, urban, vacations, vehicle, wheel, young,