Wrist Trainer Arm Strength Training Wrist Forearm Strengtheners Gyroscopic of Force Ball

Gyro ball/Force sport ball/force balls get model sport now.If you don’t know how to play it,can search video via youtube
It is fun and good for hands,wrist,shoulder, forearms,biceps and good as warm-up sport before you do climbing,golf,basketball etc
Also if you use computer or play the piano for long time,you’ll play this ball each day for 15~20 minutes.You’re going to feel you hand won’t be so pain.
DO not drop the ball on hard surface at any time,the heavy rotor will damage.
DO not touch the ball rotor when it is spinning at high speeds,it’s going to burn.

Size: 2.9 * 2.9 * 2.4 in
Weight: 9.88 oz

If you don’t know how to play, please contact us, we will be able to send video to you.

Beef up fingers, wrists, hands, shoulders, forearms, triceps, ligament and biceps etc., A good suggestion grip strength trainer for golf, tennis, climbing, basketball etc..
A good suggestion in promoting co-ordination and blood circulation, great for musicians, guitarists, pianists, drummers etc., and also be rehabilitates sore muscles and joint.
Small, compact and transportable, you’ll take anywhere. Simple first of all a pull-string.
Cool LED lights inside will light up whilst spinning, no battery needed, powered by rotating the wrist, All you wish to have do is to increase the speed by making a rotational wrist movement and to keep in sync with the spinning of the ball.
The faster you spin the harder your muscles work.