SWINGBALL TENNIS: Swingball Reflex Tennis Trainer is the ideal tennis trainer helping to improve your skills without the need for a net, court or even a partner The perfect high energy game that will train those future tennis stars OUTDOOR FUN: 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 It's suitable for use in the garden, park or at the beach INCLUDED: The Tennis Trainer has an adjustable reflex cord to fine-tune play or wind back in when not in use to increase longevity Includes a rubber ball and lightweight Airbat, making this game perfect for both children and adults SUITABLE FOR ALL SURFACES: Including a sturdy, non-slip base and no-tangle reflex cord work up hours of practice helping to perfect your skills With a balancing feet for stable play and converts to a carry case, making transportation easy FOR CHILDREN AND ADULTS: Suitable for everyone, ages 6 to adult, it is the perfect game to get everyone involved in the garden, in the home or at the beach But be warned, Swingball cannot be held responsible for competitive streaks Please be aware some of our products may arrive in frustration free, recyclable brown cardboard packaging If you require support from our customer service team please contact customerservice@swingballcom for help with queries and replacements