Playgrounds often also have facilities for playing informal games of adult sports, such as a baseball diamond, a skating arena, a bascket ball court. "Natural playgrounds" are play environments that blend natural materials, features, and indigenous vegetation with creative landforms to create purposely complex interplays of natural, environmental objects in ways that challenge and fascinate children and teach them about the wonders and intricacies of the natural world while they play within it.
Independent research concludes that playgrounds are among the most important environments for Student outside the home. Most forms of play are essential for healthy development, but free, spontaneous play—the kind that occurs on playgrounds—is the most beneficial type of play.