Create a metal detector from household items

How to create a metal detector from household items Detect metal with a metal detector! In this video tutorial, you will see how to create a metal detector out of just two household items, for under twenty dollars. So, if you're on a treasure hunt, and have no money yet, then make your own metal detector. What You Will Need: 1. A calculator, 2. A walkie talkie, and 3. Something metal