Lots of stuff. How about something obscure? An Ankh from Ultima IV.
I bought some pants through the World Wide Web because the ones offered in the store weren’t high-waisted enough. I should get some nerd points for that.
My Sega Genesis. My old calculator watch. I just got rid of my college slide rule.
I can turn you one on my lathe!
It won’t be very accurate, but I can!
Doujinshi (in Japanese, by the original author) for the The Tyrant Falls In Love manga.