If you liked our coverage of the Flybar Extreme Pogo Stick video, then you’ll be dying to check out the new Powerisers Jumping Stilts. Run up to 20 miles an hour (with medium risk of injury).Available from Gizoo for £199.95: "Imagine jumping six feet in the air barely even breaking a sweat or running at speeds of over 20 miles an hour, a claim to fame even an Olympic athlete can’t make! The secret behind these incredible fun fitness gadgets is the curved springs, which are attached to the base. When you push your feet down, your weight creates gravitational energy. The super-charged springs then push back, harnessing this energy and giving you the power to run, leap and bound, reaching tremendous height and speed!"Also check out this video: