Things2Make: Can Phones

Materials:
Two opened food cans with the lids safely removed, string.

Instructions:
Using a hammer and nail, punch a hole into the bottom of the two tin cans. Tie a large knot in one end of the string and feed it through the bottom of both cans. Tie a knot in the other end. Pull the string tight between the two cans. Talk into one end, put the other next to your ear and Presto! your own personal communications system.