A folding play structure is provided. The play structure is convertible between a storage position and a use position, and has first, second, third and fourth sidewalls. A center beam is positioned between the first sidewall and the second sidewall. A first foldable frame structure joins one end of the first sidewall to one end of the second sidewall, and a second foldable frame structure joins the other end of the first sidewall to the other end of the second sidewall. A frame lock is provided and is prevented from moving when the play structure is in the use position to retain the structure in the use position. The structure has legs, a slide and a ladder.