How Old Are You?

Originally Posted by T.G

Remember those red & white steroscopic 3D viewers? The ones with the disks you dropped in and there was a lever on the side for advancing to the next picture while you pointed them towards a light. Some even had "companion records" that would narrate the story.

I'm drawing a blank on the name... Viewmatic?

https://en.wikipedia.org/wiki/View-Master