The Rotor Spin Tennis Set is a classic outdoor game for all ages! This game has been inspired by Tether ball and is a way to work on precision and vision of the ball before reaching the tennis courts. This game can be played alone, with two players (match) or in relay. This set contents: • 172cm pole with spiral shaped rotor on top (its unique design keeps balls constant rotating) • 2 durable lightweight rackets • 1 tennis ball on tough nylon cord • 1 base that should be filled with water or sand for added stability Total height (base and pole) : 180cm.