These homemade chocolate coins are much easier to make than you probably think. They take just a few ingredients and a little bit of time! Feb 6, - Homemade gold coins, DIY gold coins, DIY treasure, how to make pirate treasure - Homemade Gold Coins. Homemade coin vortex. This is a coin vortex I made as a way to try to raise some money for my after school science club. I worked.