Try on this new, addictive, multi-faceted device that is rapidly spreading across the world into the hands of the young and old alike!
The Powerball Wrist & Arm Trainer is an addictively fun and powerful exercise tool that builds the strength of your upper body through a few minutes of workout every day. Made of high-quality material, this product can strengthen grip skills, build muscle, tonearms and increase flexibility. With the compact design as a baseball-sized, it can be used anywhere and whenever you have free time! Buy it now!