Kangoo Jumps." The devices are described in Gizmag as low-impact rebound shoes that absorb shocks and allow you to jog and exercise in a way that won't hurt your joints.
Kangoo Jumps cost $169 for the Junior Kangoo Jumps, $229 - 259 for the regular models and $279 for the heavy duty models for athletes and big people.
If jumping high in the air is your aim, take a look at Poweriser Jumping Stilts. The company claims they give you the ability "to jump 6 feet in the air and run strides up to 9 feet." (They start at $250). A video on the website shows kids jumping off patio furniture without wearing helmets, something that looks a little dubious.
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