TopGear

摘要

Powerballs rotor can spin at over 20,000RPMs, faster than a Fl engine powered only by your hands! Build Strength, Rehab Injuries, Powerball® is the ultimate strength & rehabilitation device harnessing gyroscopic forces to make you stronger & healthier. RRP £19.99-£129.99. Get up to 30% off in-store. To find out more please visit powerballs.com