Do they make these for adults?

Last weekend we visited our friends Jason and Melissa. When we got there, the kids were playing on this...
Why don't adults get fun stuff like this??

Our Rose of Sharon tree blew over. I'm kinda confused because we planted it 3 years ago.. I tried to stake it into the ground, but I couldn't get the stake in. So right now it's propped up against the stake. ... And that's my exciting life for this sleep deprived week!