Ключевые слова: active, activity, africa, america, asia, background, bicycle, bike, blue, cartoon, child, childhood, children, colorful, concepts, cute, cycle, ecology, economy, europe, fun, holiday, ideas, joy, kid, learning, lifestyle, little, love, map, pedal, play, recreation, ride, small, sport, toy, transportation, travel, tricycle, trike, vacation, wheel, world, youth,