... golf, tennis, squash, cricket, badminton, baseball, bowling, basket-ball,, motocross, mountain climbing.2. Increases strength in fingers, wrists, hands, forearms, biceps, triceps ... make people achieve sporting effects in a very short time.2) Almost everyone can play it, no matter the old, adults ... , not iron. It is not easy to be broken Wrist Ball with massage and lights- WB286L