Play-Doh, Model Magic and other clays work very well as long as they stay moist.Try some leaves or flowers, but nothing too dry. We've tried marshmallows, gummy candies, macaroni and cheese, cupcakes, shrimp, and lots of other things. You can also create inventions that combine conductive and non-conductive parts.Ĭonductive Materials (Check out this post on conductive stuff!) Make anything into a key! You can make a connection through anything that's even a little bit conductive.