The idea of a magnetic miniature case is pretty awesome. So, I've collected a list of all the companies who make magnetic cases for your models and army.
The Fabricator General: How to Build a Carrying Case
Miniature Carry Case Warhammer carry case - GSW
Miniature Transport and Storage
21 of the Best Miniature Paint Rack Solutions I've Found
The Best Battle Foam Case - What's Right for You?
Make your own Figure Case.
What is the best carrying case for 40k figures? : r/Warhammer40k
Matt's “Really Useful” Storage Solution – OnTableTop – Home of Beasts of War
Your Complete Hobby Tool Organizer List (Make Life Easy!)