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This magnetic pole detector is a great low-cost tool to view and identify the polarity of magnets, or to find out if an object is magnetic. Its simple yet durable construction means that this detector makes a great educational tool for teaching students about the properties of magnets and their magnetic fields.
This magnetic pole detector consists of a bar magnet with its NORTH pole painted RED and its SOUTH pole painted BLUE. When held up to the south pole of a magnet, the red end of the indicator will point towards the magnet.
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