I hang around more on the CTT forum, so I apologize in advance if this is old news here.
HackADay just posted an article about a coffee table which has a flip-top revealing an N-scale layout.
https://hackaday.com/2021/04/10/coffee-table-railroad-flips-to-hide-the-fun
Here is a clickable link:
https://hackaday.com/2021/04/10/coffee-table-railroad-flips-to-hide-the-fun/
There was a thread on this layout a few years ago, but it is worth seeing it again.
Dave
I'm just a dude with a bad back having a lot of fun with model trains, and finally building a layout!