Powerball is the world’s most powerful hand gyroscope, generating speeds of over 16,000 rpm! Simply by starting up the Powerball in your hand and rotating your wrist faster you can develop incredible speeds and increase your strength. Powerball is seriously addictive for all ages, making it ideal for play, exercise, or fun competitions.
Powerball is a dynamic and completely revolutionary new gyroscope that literally explodes with mind-numbing [...]
