Powerball W / Meter
Product Details
This powerball / wristball / gyrotwister takes this work out product to the next lever. By having a digital meter that tells current RPM, highest RPM and rounds in a 30 sec session this has become a very popular toy. Compete with your friends and try to break the record!
This powerball / wristball / gyrotwister takes this work out product to the next lever. By having a
- Model Number:PB-M-001
