You need a few different buckets, some plaster of Paris, and some sand.
For a more thorough, step-by-step guide, check out the link below.
How to Make the Mini Metal Foundry| Instructables
Make a Mini Foundry for Cheap That Can Melt Soda Cans
If you have an excess of soda cans lying around—or just looking for a cool project to work on—this mini foundry can melt metal and doesn't cost very m
