A playground or play area is an area designed for children to play freely. Modern playgrounds often have recreational equipment such as the see-saw, merry-go-round, swingset, slide, climber, walking bridge, jungle gym, chin-up bars, sandbox, spring rider, monkey bars, overhead ladder, trapeze rings, playhouses, and maze, many of which help children develop physical coordination, strength, and flexibility, as well as providing recreation and enjoyment. Common in modern playgrounds are "play stru… (More on Playground)