D&D - Magnetic Dice Tray

This is a basic dice tray I use for dungeon mastering, It has places for embedding magnets so the trays stay together on the table as well as stay together when stored.

I used these magnets for the project - https://www.amazon.com/gp/product/B075RZ82HP/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&th=1

magnet Dimensions ‏ : ‎ 3 x 0.5 x 2 inches; 0.48 ounces