Perfect for the fidgeter in the family, the faster they spin the DynaFlex PowerBall, the stronger they get. It takes a while for newbies to learn how to make the PowerBall's gyroscope action really hum and light up, but once you've mastered it, the addiction takes hold and it provides a continual challenge to your dexterity and strength.
Features:
- Internal LED's light up with resistance
- It generates 32 pounds of gyroscopic pressure at 13,000 rpm
- Auto-start base ensures a quick and consistent start every time
- DC powered docking station runs on 2 AAA batteries
Specifications:
