Try to keep it practical (like something that would be fairly doable, you just havent gotten around to it…yet)
There are apps that you can input text into and they can replace the characters in each word incrementally to help learn them. Wanna get into that
Pretty much how to do any task without electricity or a device that depends on it. It can be really useful to know how people did every day stuff 200 years ago.
Do you know how to do your laundry without a machine? Use a map? Send mail via post?