Sportime Our newest hoops consists of 12 sided flat hoops that are extremely durable and can be used in a number of configurations with our included clips. This set includes 6 of each of three sizes of hoops 19 23 1/2 31 in. diameter in our 6 color set plus 12 each of our unique 2 way 3 way and 4 way clips to allow you to put together your hoops in unlimited configurations. This set will be ideal to let your kids help design the challenges. Turn them loose and see what they create.