The Morgan Reaction Ball is designed to improve reaction times, overall balance, and hand-eye coordination through its irregular bounce. Perfect for warm-ups, this reaction ball enhances reaction speed and agility as it unpredictably moves in different directions, challenging your reflexes and timing. Diameter: 9cm Made from non-toxic rubber 6 x curved sides Can also be used as a pressure point massage ball Ideal for athletes and fitness enthusiasts, the Morgan Reaction Ball is a versatile tool for both physical and cognitive training.