text: Well, I guess this: https://wiki.openstreetmap.org/wiki/Tag:leisure%3Dplayground
  
  What I would map personally, would be public playgrounds that are available for everyone.
  If there is a tyre hung up in a tree in someone's front yard, I would not map it.
  
  Some examples of already mapped playgrounds, as node or as area
  https://www.openstreetmap.org/way/105695044 
  https://www.openstreetmap.org/node/4760910522
  https://www.openstreetmap.org/way/535937904