Fallout Board Game Magnetic Hex Holder, Stackable

I love playing the Fallout board game, but I hate it when the hex tiles get jostled around and the playing field gets messed up. This is problematic because over the course of the game you'll be flipping tiles a lot, and each time you flip a tile there's a good chance you'll push things out of alignment. My solution was to create a set of stackable hex tile holders that use magnets and small nubs/holes to stay properly aligned. I use 1/4in x 1/8in x 1/8in neodymium magnets glued into place, and