Forget cell phones! Tin can telephones are the way to go. Learn how they work and how to build your own!
Kids these days have so many electronic toys it’s possible to grow up without ever discovering the best toy in the world, the tin can telephone. Moms and Dads, take note! Lots of science-types agree that kids will remember a toy you build with them years after they have forgotten the latest plastic gizmo. Learn more on this Moment of Science.