Swingball is the award winning portable tether tennis game that’s easy to set up with its all surface base & compact carrying case. Play tennis anywhere & never lose the ball again. Spend more time playing and less time chasing after the ball with Swingball. You can play with friends or play solo for tennis training & hand-eye coordination practice. More spirals on the Swingball head means games last longer. For easy and quick set up, simply fill the base with water or sand for stability. You’ll be ready to play on the grass, decking, concrete, and even sand! Includes: 1- Pro Swingball. 2- Heavy duty checker bats. Base inset scoring system. Steel tube adjustable up to 170cm. Dimensions 19.7x16.5x70 in. Weight: 5lbs. Ages 6 and up.