The Pro Mini Hoop Ball is a spare ball the SKLZ Pro Mini Hoop indoor basketball system (sold separately)--and--also offers a fun, small-yet-realistic basketball for young kids. The ball provides the look, feel, and bounce of a real basketball in a smaller more manageable size. The entire SKLZ Pro Mini Hoop system provides the look, function, and durability of a pro-grade basket in a size that works for the home, office, or dorm.