Make a Metal Detector
Have you ever lost a small metal object like a gold ring in the sand and tried desperately to find it? Maybe you've just wanted to search for buried treasure. Well now you can do both of these things by learning how to make your own metal detector with this great how to video. Using a radio, calculator, CD case and velcro, you can make your very own homemade metal detector. Find the right radio frequency, learn more about metal detection and have fun treasure hunting!