ahh... taking toys apart... i did that... with my etch-n-sketch... RIP sketchy!
If I had one of those, it would have been one of the first ones to go. I always wanted to crack one of those open.
Actually, now that I think about it, I had a weird round etch-a-sketch that looked kinda like a ship porthole. It was red with a black ring that you could rotate around the drawing area. I took that apart, of course, but was disappointed with what I found inside.