Pro Performance Sports SKLZ Pro Mini-Hoop Basketball System for $19.00 shipped. Here is a screenshot for your reference. Alternatively, it is available at Amazon for $22.00 with free shipping on orders over $25. It includes a 5″ diameter mini-basketball, and features shatter-proof construction, spring-action breakaway rim, a heavy-duty 8-loop, 3-ply nylon net, and mounts on any door. Most places have it for about $39.