NSD Powerball 250Hz Pro (Amber)

One of the fastest non-motorised machines in the world! This latest 250Hz glowing computer-monitored version of Power Ball is meant to be a sports training tool, basically because it's amazingly good at strengthening your forearms, wrists, fingers and grip. But the main reason we love it is it's great for office competitions - just who's the strongest and fastest - it's all very Steve Austin.

The gizmo works by a combination of an internal gyroscope, centrifugal force and inertia. Once you get the central ball spinning, you rotate your wrists to build up speed. The top speed possible is 15,000 rpm - though we've never made it past 12,000 (wimps), and it exerts the most remarkable forces on your wrist - you really feel like you've had an arm workout! Playing with this is an almost guaranteed crowd puller, as everyone will want a go, and be determined to beat everyone else's highest score. It's dead clever, needs no batteries or motor, just pure gyroscopic power and a strong arm at 15000 rpm it's exerting almost 40lbs of pressure on your arm!

The onboard computer can measure your current RPM, the most recent fastest speed (which is like 'Top Score' and is knocked out by anyone who's faster), and also the most revolutions made in 30 seconds. It makes for some very competitive play and in the meantime has a remarkable effect on strengthening your arm and your grip. Put an end to wet fish handshakes, and get a grip on the Power Ball.

Features:

• Generates 40 lbs of force
• Built in speedometer
• Six program functions
• Internal window displays and records your achieved RPM
• Auto power shut-off
• Batteries included*
• Achieves speeds of up to 15,000 RPM
• Great for sports training
• Improve your grip for when you're next hanging from a cliff edge in cool shades with a smug smile on your face. Or of course for tennis, golf, squash, archery, fencing, etc
• Size: 7.5cm x 6.5cm

*Requires x 2 Watch style Batteries in the speedometer (included) which will provide three years worth of spinning if the power ball is used for one hour a day, not to mention very strong arms.