Powerball is a handheld gyroscope device that is rapidly spreading across the world into the hands of the young and old alike! It’s a baseball sized handheld device that can be used in a fitness sense for the arms, wrists and shoulders helping to build, tone and strengthen the muscles and ligaments in the hands, wrists, arms and shoulders. As you build up the speed of the rotation will increase. Using the Powerball is used over an extended period as part of an athlete's training program, it will strength wrist, arm and shoulder muscles. NSD Powerball is a revolutionary new Gyroscope which literally explodes with mind numbing inertial forces once you activate its internal rotor! The gyroscope will respond with a rolling action and the speed of the rotation will increase. Using the Powerball is used over an extended period as part of an athlete's training program, it will strength wrist, arm and shoulder muscles. NSD Powerball is a revolutionary new Gyroscope which literally explodes with mind numbing inertial forces once you activate its internal rotor! The gyroscope will respond with a rolling action and the speed of the device ranges from 2000 rpm to 16000 rpm and at this highest speed it is calculated that

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