For all of your magnetic demonstration needs...
A science class classic, these iron filings are perfect for demonstrating magnetic forces and fields. These filings work well with our Introduction to Magnetic Principles demonstration magnets and can show the 3D magnetic fields generated by any magnet.
The 50 mesh fine iron filings come in a 500g bottle.
Warning: Choking and poisoning hazard. Small parts. Not for children under 8 years of age.