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A Handy Exercise to develop grips, wrist and forearm, improves your grip for golf, tennis, badminton, and many other sports. It spin like a dynamo and humms like a bee.

No battery required

Self-contained mechanism dynamicaly balance gyro ball

Increase your wrist strength while having fun

The speed will reach 8000 rpm if you have the skill

Powerball can increase your wrist strength by playing for fun purpose. Powerball Beginner is recommended for beginners who like to try it out . After you are skillful and , when you are sure you like to play , you might invest in better powerball with rpm meter, light, and etc.

*Listed price for one unit only