He punches holes in a matchbox. Seconds later, You Won't Believe Your... Ears!

Check out this fun and simple science experiment, great to do with children! Did you know that making a microphone could be so amazingly easy and cheap? You just need a matchbox, pencil leads, a battery, some wires and clips, and a pair of headphones. You'll be able to listen to sounds and music from the other side of the house...