The Application of Top Effect in a new Rotating Swing

As the troditional swing can only swing without rotating, it cannot satisfy players well.Electronic swing consume electricity and has no action on players' musles while playing.This paper introduces us a new kind of rotating swing which can not only swing but also rotate inner 360°circle without using power. The rotating swing can be set up in any playground. It can train players'musles as well as bring more fun to players.