Ultimate 2-in-1 Swingball and Tetherball Set come together in one! The unique modular system allows the players to easily switch from tetherball to swingball. Tetherball is played using the included volleyball. Strike the volleyball with your hands, making a fist or with flat palms. As the ball travels, each player tries to hit it in an effort to wind the ball around the pole. Swing Ball is played using the included tennis ball and strong paddles with soft grip handle. You and your friends will have a blast trying to see who can wind the ball around the pole first to win the game!