A lighter? Tins use as is.
Here are some ideas: https://intelligentdomestications.com/2016/01/8-clever-ideas-to-upcycle-popcorn-tins.html
And I wrote a post on turning old tins into jewelry: https://mermaidsden.com/blog/make-earrings-vintage-tins
Here's one idea - turn them into gift containers: https://happydealhappyday.com/cookie-tins/
I use these tins to put gifts in for the neighbors!
Put floral foam in the bottoms and add silk poinsettias for a beautiful bouquet that won't die! Perhaps add a big white satiny bow on the side.