If the height doesn't get them, the proximity to the fence will.
It's for those pesky raccoons, trying to have fun on our watch.
Hmmm, that giant beam halfway through may be a problem. That's okay, you can just jump while sliding and then jump again. That's how physics works, right?
Oh I get it, you're just not EXTREME enough!
It's all fun and games until someone puts the swingset on top of their car.