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#15
Explosive, dynamic, exciting, Powerball is a revolutionary new gyroscope which can generate enough energy and torque to almost pull your hand off!
Its only the size of a tennis ball and weighs just a little more, but put a Powerball in your hand, set it in motion with the cord provided (or use your finger when you get used to it) and you'll experience something simply described as sensational!
The ball comes alive with gyroscopic forces, thrashing and jerking as your arm and wrist try to calm it down, faster and faster it spins until you have it up to almost 15,000rpm at which point it's exerting almost 40lbs of pressure on your limbs and is traveling at nearly 250 revolutions per second - no batteries, no motor, just pure gyroscopic power - the fastest human propelled device ever created!