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Piixy Wrist Trainer LED Wrist Ball Powerball Gyroscopic Ball - Arm Strengthener, Wrist & Forearms Exerciser - PicXania.com
Price: (as of – Details) Good for Health 1) The more exciting part, this exercise ball lights up when it’s spinning! And the LED light is not powered by batteries but your spin. It’s battery free. No need to worry about power running out! 2) It is a very interesting toys to make your forearm …