The ultimate in engineering design, featuring the same userfriendly features as the DynaFlex Pro Plus but incorporating an on board generator and balanced rotor. The Powerball generates 35lbs of torque with speeds up to 13,000 RPM. By activating the gyro, a dynamism (motion) is created, which will activate LED lights located in the interior of the gyro. The Powerball (Amber) made the cover of Time magazine as one of their top 10 digital devices of the year.

It features a balance rotor and removable top cap, which allow insertion of the optional digital Speed Meter. The Powerball generates 35 lbs of torque with speeds up to 13,000 RPM. The faster the unit runs, the brighter the lights will be until the whole hand is engulfed in a bright glow. Just when you think you've seen it all, along comes the ultimate hand, wrist and arm exerciser.

• Rotate your wrist to make the balanced rotor spin faster and faster, up to 13,000 rpm.
• Blue LEDs glow brighter as the dynamic powerhouse gains speed.
• Its 35 lbs. of gyroscopic force creates progressive resistance.
• Improves coordination while building strength in your fingers, hand, wrist, arm and shoulder.