Sunken Trampoline - worth a read before installing, love the grass covering
Safe and Cool: A Sunken Trampoline For Kids
Crazily detailed instructions on how to build a sunken trampoline.
Inground Trampoline Magic Night Lights | Capital Play
kid friendly yard space..smart to bury the trampoline in a hole so the kids can't "fall off" it...
partially sunken trampoline.... I would consider this. this might be good. I don't like the fully sunken ones though because you have to have such a deep hole, and you need vents for the air to escape or else it won't bounce.
handy hint trampoline
Climbing frame swings slide sunken trampoline!!!!
DIY Inground Trampoline Instructions. We'll use the cinderblock idea to keep it level.
Buy Plum 8ft In-Ground Trampoline Online at johnlewis.com