QRPMe, Rex Harper's site for QRP (reduced-power) amateur radio kits, has a nifty little prototyping board that fits inside of a mint tin and could be used
Get Your Retrocomputing Fix in an Altoids Tin with a Z80 Membership Card, by Cameron Coward
How to Make a Portable Charger With An Altoids Tin – New Hobby Box
Sverre LA3ZA, Author at • Page 18 of 18
LA3ZA Radio & Electronics: Altoids Projects
Altoid Tin Crafts Made with Mod Podge - Mod Podge Rocks
Altoids tin prototyping board - Make
LEAP#368
MintyPi Altoids Tin Gaming Handheld! #3DThursday, 44% OFF
How to Make a Portable Charger With An Altoids Tin – New Hobby Box