Give them a few spins to get them started and they light up as they spin, adding a fun element to this surprisingly powerful way to strengthen your forearms, wrist and hands!
Or use included power string starter.
Spins up to 9,000 rpms. Great rehab exercise for hand/arm injuries too. Approx. 2.5" diameter.
Light Up Gyro Powerball Set of 2Replaces Up To 15 Lbs Of Free Weights!No batteries needed! Give them a few spins to get them started (or use included power string starter) and they light up as they spin, adding a fun element to this surprisingly powerful way to strengthen your forearms, wrist and hands!Spins up to 9,000 rpms. Great rehab exercise for hand/arm injuries too.Approx. 2.5" diameter.
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