12 oz Fine Iron Filings Magnetic Iron Powder for Magnet Education and School Projects - Discover The World of Magnetics &amp See Magnetic Lines of This Unseen Force &amp More (One Pack)

- 12 oz Bottle of Iron Filings, Magnetic Iron Powder, Great for Magnetim Experiment - Show the Magnetics & Forces Of Physics Dry & Clean Will Not Stain - Metallurgical Industrial Grade, Clean and Dry - Great For Experiments Even Adults Think These Are Pretty Darn Cool!