Beginner's Metal Detector Kit

Find hidden treasures, or at least try! Designed on the basic principles of 'mine detectors'. This circuit board is rubber banded to any portable AM radio and it will cause an oscillation to be heard when you approach any metal object. When the coil comes close to any large metal object, it changes resonant frequency and you will hear it in the speaker of the AM radio. Lots of fun and you will find lots of creative uses for it! Easy to build and use. Comes with complete instructions and diagrams. Solder included.