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Wrist Trainer Exercises Power Ball Wrist&Forearm Strengthener Essential Push-Start Spinner Gyro Ball with LED Lights for Wrist excreise,No

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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 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.

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