1. I have always loved spiral staircases
2. You can also slide down!
I couldn’t help but ponder them going really all out and making it so you could also climb up (ladder-like)((you could feel all Indiana Jones-y)) and/or incorporate a pole, so that you can slide down fire-person style.
I have no idea where this is or who made it, I just stumbled on the picture here and thought: yes