Hello, I am looking for ideas to demonstrate magnetic induction. There are a couple I've found, but I'm having trouble finding something with a little more excitement. The two I've seen are lighting a bulb with a changing magnetic field and launching an object by closing a switch connecting a charged capacitor and a coil. While I like the 2nd, I'd like to find something different because I've seen that one a few too many times. Variations are fine, though. Any suggestions at all are welcome. Thanks in advance.