or a jetpack?

http://www.amazon.com/exec/obidos/ASIN/B0002IET16/

Flybar Model 1200


Features:

  • Appropriate for ages 14 and up--supports rider weight from 80 to 250 pounds
  • Elevation potential of over 5 feet--dramatically greater than any pogo on the market
  • Based on a one-of-a-kind, patented, fully adjustable elastomeric spring system
  • Powered solely by leg strength and body weight--no pneumatic or artificial propulsion mechanisms
  • Feels like bouncing on a trampoline--no high-impact jumping