Things You'll Need
Instructions
Cut the top curved part off of a 2-liter bottle and a 1-liter bottle.
Place the 1- liter bottle inside the 2-liter bottle. Use double-sided tape or a strong glue to hold it in place.
Fill the area between the two bottles with soil and sand. The soil won't come up to the top of the 2-liter bottle because the 1-liter bottle is smaller.
Place piece of cardboard or other sturdy material on top of the small bottle and tape it down. This is an area where you can put food for the ants.
Cover the bottle with a tightly woven cloth such as cheese cloth. Make sure it is somewhat breathable so the ants will get air. Don't use plastic wrap. Secure the cloth with rubber bands.