A play system includes a support structure, having a bottom end and a top end, vertically oriented relative to a surface such that the bottom end contacts the surface and the top end is above the surface. The play system includes a belt having flexible portions and rigid portions that forms an ascending structure around the inside of the support structure such that it ascends from the bottom end of the support structure to the top end of the support structure. The play system includes a plurality of clamps that couple the support structure and the belt.