POWERISER STILTS. Jump 10ft, Leap 20ft, Run 20mph. Poweriser is the next extreme sport and ultimate exercising product. Enjoy incredible height and speed with your Poweriser! Available in children and adult models. Children MUST BE SUPERVISED by an Adult when using these & Safety Pads, Wrist Guards & Helmet must be worn by everyone. 4 Models available: Model 3050 - for children up to 110lbs / Model 5070 - for users who weigh 110 lbs to 160 lbs / Model no. 7090 - for users who weigh 160 lbs to 200 lbs / Model no. 90120 - for users who weigh 200 lbs to 265 lbs.