Rave EZ Set Ice Rink 200 Sets up quickly and easily 8" high side walls accommodates maximum ground slope of 5" over 10ft (3-8" of ice) Unique, side support brackets can be pivoted down after ice is formed for safety and tipped back up for re-icing Cuts or damage to side wall material can be easily patched. Allows for many years of use compared to inflatable rink liners Add your own hockey nets, shooting tarps, side boards, etc for added fun, training value