Indoor in your playroom, bedroom or basement Outdoor on your driveway or deck Pool-side next to your pool, drop the height down to 2ft and purchase 2 sets for a complete basketball game Over-the-door in your bedroom or playroom or basement! Perfect for ages 3+ NBA 4 in 1 Baseball System is a versitile system that is perfect for use all year round! Assembly is quick and easy and the backboard rim height is height adjustable from 2 ft to 5 ft. The system can be used: