Sunken Trampoline with cover and a link with tips from an installation company.
In-ground trampoline with a pool that looks like a pond!!
In-Ground Trampoline Are Safer Way To Jump High In Your Backyard - #fun #outdoors
How to set up in ground trampoline. I want this soooo bad in my backyard! www.onceuponachildconcord.com
in ground trampoline with enclosure - Google Search
14ft Capital In-ground Trampoline Kit
Yes, I want children. Yes, I want a trampoline. No, I do not want my children falling seven feet to the ground. In Ground Trampoline: Amazing Idea! (This would be a good idea if I wasn't afraid if it breaking and falling 6 feet into a ditch
The nitty gritty about building your own sunken trampoline.
Me, CherkyB: An Inground Trampoline Design
Much nicer than those big netted things.