"PlayEquipComboPlastic wb" by Taken by Elf | Talk - Taken by Elf | Talk. Licensed under CC BY-SA 3.0 via Wikimedia Commons.
Modern playgrounds often have recreational equipment such as the seesaw, merry-go-round, swingset, slide, jungle gym, chin-up bars, sandbox, spring rider, monkey bars, overhead ladder, trapeze rings, playhouses, and mazes, many of which help children develop physical coordination, strength, and flexibility, as well as providingrecreation and enjoyment. Common in modern playgrounds are play structures that link many different pieces of equipment.
Playgrounds often also have facilities for playing informal games of adult sports, such as a baseball diamond, a skating arena, a basketball court, or a tether ball.
Public playground equipment refers to equipment intended for use in the play areas of parks, schools, child care facilities, institutions, multiple family dwellings, restaurants, resorts, and recreational developments, and other areas of public use.
A type of playground called a playscape is designed to provide a safe environment for play in a natural setting.
Source Wikipedia