Power Wrist Ball Gyro Hand Grip Strengthener Wrist Forearm Exerciser for Stronger Wrist Bones and Muscle (Blue)

Exercise your fingers, wrists, hands, forearms, shoulders, increase your arm strength. It help with wrist movement and pushes lightly with the wrist without electricity.
Unleash Your Inner Power by this Innovative Gyro Exerciser
it is a gyro ball that has a mechanism allowing you to rotate your hand to increase the revolutions per minute (RPM) of the gyroscope itself. Our Spinners are a quick and effective way to increase your grip strength and an excellent complement to those who play sports. Professionals and amateurs alike can all benefit from our “one minute, one powerful hand” pledge!
it is small and portable. Put one at your desk. Put one in your gym bag. Take one with you anywhere, and you can spin your way to a healthy lifestyle ANYWHERE!

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Exercises Wrists and Hands — Spins at up to 15,000+ RPM to exercise and strengthen wrists and hands; You’ll feel the burn in just a minute of spinning
This certainly requires some fine motor skills in order to use. The dominant hand/arm was easily able to keep the gyro ball going, that it will help refine your fine motor skills in that non-dominant hand/arm.
Rugged, Long-Lasting Design — Made with a military-grade plastic shell, a break-resistant structure and reversible inner tracks for 2X lifespan
Easy To Use — No batteries required; You can get a challenging, strengthening workout anytime, anywhere, even on your lunch break
Exercises Wrists and Hands ; Exercise your fingers, wrists, hands, forearms, shoulders, increase your arm strength