Pop Up Parkour is designed to be quickly and easy assembled with minimal tools & manpower yet still allows for multiple boxes, beams and pipes to be connected together numerous configurations to fit any space. No screws, no bolts, just pop the panels together and snug them up with a rubber mallet. The One sided trapezoid has one sloped side, a flat top and has connecting slots on the other 3 sides. When you're done using them, they quickly tear down and can be stored flat or on a cart. Perfect for hard surfaces & grass at schools, events or in your house.