This was a kids playground at a hospital we were at in Dallas last week where our 8th grandchild was born.
You get a better sense of the intense, playful activity from above.

Guess what my grandson Sullivan got Papa for Christmas?
Okay. Here's the scenario. You take a large tube and spin it and then tell a bunch a kids to walk through to the other side. I suppose the idea is to give them a sense of what their clothes go through in the dryer. Anyway, it turn instantly into a jumble of arms and legs and body parts that come flying through.