Where can I buy or make dry-erase tiles like these, made from seemingly laminated cardboard-esque material and no normal whiteboard surface? These are spares from the game Explorers. : r/tabletopgamedesign
How to Make a Custom DIY White Board - At Charlotte's House
How to Make Dry Erase Whiteboards the easy way | DIY Whiteboard - YouTube
3 Ways to Make Your Own White Board (Dry Erase Board) - wikiHow
3 Ways to Make Your Own White Board (Dry Erase Board) - wikiHow
Turn Any Flat Surface into a Dry Erase Board - The Palette Muse