HOW TO – Extract magnets from plastic toys

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Windell writes – “As Marty McFly says, “You don’t just walk into a store and buy plutonium.” Actually, all I was after was neodymium, but the principle still applies. I needed a pile of rare earth magnets in a hurry. Neodymium-iron-boron (NdFeB) magnets are cheap, extremely strong, and surprisingly ubiquitous. Despite this, most corner drugstores do not carry sets of rare-earth magnets, and it can be hard to get them unless you have a few days to wait for a package. It turns out that you can get NdFeB magnets at the corner drugstore, and they’re cheap. You just have to extract them from the toys that they come in. “Link.

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