All Surface Reflex Tennis Trainer is the ideal tennis trainer helping to improve your skills without the need for a net, court or even a partner!Including a sturdy, non-slip base and no-tangle reflex cord work up hours of practice helping to perfect your skills and even get your body in shape. Swingball Reflex Tennis Trainer is the perfect tool to help work on your tennis strokes, maximise your speed while building on your quickness, hand-eye coordination and stamina.Including an adjustable reflex cord to fine-tune play or wind back in when not in use to increase longevity, rubber ball and lightweight Airbat, making this game perfect for both children and adults.Suitable for ages 6+ years. All surface base  6 metre (fully stretched) cord  Recoil adjustable cord   240g airbats   Rubber ball   Ages 6+ years  Dimensions: L290 x W290 x H70mm