WINCSPACE Wrist Trainer Powerball Arm Strengthener Essential Gyroscopic Wrist Forearm Exerciser Ball
Category: Toys & Games
Categories: Sports & Outdoors > Exercise & Fitness > Strength Training Equipment > Strength Training Devices > Wrist & Forearm Strengtheners
Store: WINCSPACE
Average rating: 4.4 (699 ratings)
Features:
Strengthen fingers, wrists, hands, shoulders, forearms, triceps, ligament and biceps etc., beneficial grip strength trainer for golf, tennis, climbing, basketball etc..
Strengthen fingers, wrists, hands, shoulders, forearms, triceps, ligament and biceps etc., beneficial grip strength trainer for golf, tennis, climbing, basketball etc..
Small, compact and transportable, you can take anywhere. Simple to start with a pull-string.
Cool LED lights inside will light up while spinning, no battery needed, powered by rotating the wrist, All you need 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.

Gyro ball/Force ball/power ball/magic 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 can play this ball every day for 15~20 minutes.You will 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 will 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 send video to you.