Electromagnetic Fun: How to Turn a Styrofoam Bowl into a Speaker

If your child loves making science projects, here is a unique idea that is certain to catch his/her interest! Here is the finished speaker my 10 yr. old son made (with a little supervision) Materials: One styrofoam bowl One paper plate Hot glue gun Scissors 10 Neodymium button magnets (regular button magnets will work too, […]