Light Up Wrist Ball is perfect for muscle injury, exercise for muscle strengthening.
Using a Wrist Exercise Ball is the most effective and convenient device to increase muscle strength in your arm, wrist and hand. This tennis ball size gadget works via a ball within a ball system creating immense gyroscopic force, with speeds recorded of up to rpm and generating a force of up to 40lbs. No batteries required, just wind the thread around the ball and pull briskly to get the ball in motion. The faster it spins the brighter the built in light gets. Apparently great for the rehabilitation from carpal tunnel syndrome and RSI. Apart from the more serious side the wrist ball is an addictive plaything for all ages Ad ID: