It'd be cool to have old stuff hanging around that was still usable, like a working typewriter or a working rotary phone. If that's thinking too far back, heck, it'd be cool to have a working V.1 Tamagotchi, amirite?

Sheldon bought a Tamagotchi and it's still alive.

My dad still has his typewriter from college. When he told me that, my first reaction was along the lines of, "Wow, you used a typewriter in college?!" Sometimes I forget that personal computers aren't much older than me...

My friend has a typewriter. It's so much fun to use!

My grandma has a rotary phone that works

I have a retro typewriter that works