These tiny magnets, made from a rare earth metal, pack a big p...

Rare Earth Magnet Test - Copper, Silver, Brass, and Steel Yes, the Brass Bar says .999 Brass 👀 Brass is a mixed alloy, guessing this is Copper and Zinc? Magnets are an awesome and very useful way to test. Always best to use multiple testing methods. ### If you or someone you know would like to test metals with a Pocket Pinger, they’re available at CoinPingTest.com, Amazon, and eBay. Disclaimer: All the risks associated with pinching a coin in between your fingers and then tapping it with plasti

Rare Earth Magnets

Fun metal and magnet experiments!