Collapsible play structures

A collapsible structure adapted to be supported on a surface, comprising:

• a first module and a second module, each module having four panels, including a bottom panel, a first panel, a second panel and a third panel, each panel having a foldable frame member having a folded and an unfolded orientation, with a fabric material covering portions of the frame member to form the panel when the frame member is in the unfolded orientation, the fabric assuming the unfolded orientation of the frame member, each panel further including a first side, a second side and a third side;
• wherein the first side of each panel of each module is coupled to the second side of an adjacent panel of the same module, and the bottom panel of each module rests on a surface;
• and
• wherein the third side of each panel of the first module is coupled to the third side of a corresponding panel of the second module.