AstroMedia Iron Filings View larger

AstroMedia Iron Filings


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With these cast iron filings you can make magnetic fields visible! You can sprinkle the filings on a sheet of paper or cardboard and hold a magnet underneath, or you put them into a glass jar and hold the magnet against the glass.

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Delivery In 1-5 Days*

£ 1.95 Tax included

1-5 Days UK Delivery*

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 You get especially impressive results if you also fill the glass with a thin, clear oil. The nearly free-floating filings will adjust themselves into bizarre spiky forms along the magnetic filed lines. Strong neodymium magnets are ideal for these experiments. 

Glass and magnet are not included.

Grain size: 0.05-0.15mm

Weight: 40g


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