Cast metal sculptures of fire ant colonies that are made by pouring molten metal directly into an ant colony. The sculptures reveal the varying colony designs. This is a very controversial art-form. Something to consider, however, is that fire ants are a pest in the US, and their bite is very painful. Having no known predators, they are slowly killing off native ant species.
Casting A Fire Ant Colony's Tunnels w/ Molten Aluminum
Ant hill craft for kids. Mix sand and glue together put on a plate let children shape mound into an ant hill. Use a straw to make the hole. I could not find plastic ants so we used the bottom of pencil in paint after sand dried for a couple days....
Video: Fire-ant colony + molten aluminum = incredible art