That was what my kids asked me. I answered, “I don’t know, but go jump on it.” It took me a while to figure out all the functions of this work of art playground has built into it. It’s located in the back of Mitch Park. It’s a real interesting and entertaining jungle gym. Kids had the most fun just discovering it’s hidden treats. The slide is a little intense for little kids. Heck, I think I would be scared to try it.