Amazon.com: DIYMAG Small Refrigerator Magnets, 100Pcs Tiny Magnets Round Magnets for Crafts, Premium Brushed Nickel Fridge Magnets, Office Magnets- Come with a Storage Case : Industrial & Scientific
Nickel is magnetic. Why don't nickel or nickel-plated coins stick to magnets? - Quora
Types of Magnetic Metals (LIST)
Why are some UK coins magnetic? - Change Checker
A Quick Guide to Magnets, Magnetic Metals & Non-Magnetic Metals | Eclipse Magnetics