Dynaflex Powerball With Speedometer

Activate the Power Ball gyro exerciser with a tug of the starter cord or with a quick swipe on a smooth surface. Then with a simple circular motion you can accellerate the gyro inside to speeds of more than 10,000 rpms. The spinning gyro In the Dyna-Flex creates a surprisingly powerful twisting force which gives your hand, wrist and arm muscles an exhilarating work out. A built-in digital speedometer displays speed and records the highest RPM achieved.

Builds strength and improves coordination of your hand, wrist and arms

Generates up to 32lbs of gyroscopic pressure at maximum RPM (9,000 - 13,000)

Blue LED lights up when activated by continuous hand movements

LCD digital speedometer displays speed changes, RPM, and Physical Strength Index

Variable resistance is achieved by increasing or decreasing the speed