Just strap this board to your feet and start jumping. Practice different sports tricks or even invent new ones! The JumpSport BounceBoard Extreme is designed for kids 10-18 years old, but older "children" will love the BounceBoard Extreme too.The JumpSport BounceBoard Extreme is the softer choice to practice snowboard and wakeboard tricks. This is an exciting new accessory for backyard trampolines and water trampolines. Catch Air! The BounceBoard Extreme won't damage the trampoline or any other resilient structure it is used on.It is recommended that the JumpSport BounceBoard Extreme only be used by advanced jumpers. Read and follow all instructions and safety guidelines before use.