Magnetic education pack including two Alnico bar magnets and iron filings - ideal for education, experiments and science projects.
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The combination of iron filings and a bar magnets is a great way to show the patterns of magnetic fields. Simply place some of the iron filings on a piece of paper and move the magnet underneath the paper to see how the filings react and align to the magnetic field lines. Afterwards, place the filings back inside the re-sealable tube to use again and again. The iconic bar magnets are small enough to fit in your pocket and each magnet is protected by a red and silver epoxy paint coating.