Now you can play tennis anywhere! Use your driveway, basement, gameroom, patio, or even cul-de-sac. The 10-foot Mini-Net sets up in minutes. It is also adjustable in height up to 64 inches for recreational badminton or beachball volleyball with kids as young as 3 years old! The 21" racquets are a perfect racquet for children. The softball-size Quick Start 36 Foam Balls are high-quality and bounce like normal tennis balls except at less than half the speed to allow everyone to play with success from the first few hits.