zPowerball 250hz Screamer Pro Blue
- 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.
- Features: 6 function digital speedmeter/counter
- Not suitable for Children Under 14yrs
- Lifetime Guarantee