American Heritage Industries Bulk Iron Filings - 1 LB for Science Experiments, Model AHIRONThis bulk pack of iron filings from American Heritage Industries is an essential educational tool for demonstrating the principles of magnetism. Ideal for teachers, parents, and science enthusiasts, these iron filings effectively illustrate magnetic fields and their interactions, making complex scientific concepts accessible and engaging. Iron filings are a byproduct of various manufacturing processes, ensuring a high quality, pure product. As one of