Durable iron material for magnetic field experiments and science education Key benefits Built to last: constructed from reliable iron for repeated classroom and laboratory use. Makes magnetic fields visible: iron powder, filings, or shavings align along magnetic lines of force, creating clear, hands on visualizations. Effective teaching tool: supports demonstrations and experiments that deepen student understanding of electromagnetic fields and basic physics concepts. Versatile compatibility: works with bar magnets, electromagnets, coils, solenoids, and standard physics lab equipment. Easy to use and manage: disperses well for demonstrations and can be collected again with a magnet for reuse. Product features and performance Material: iron particles supplied as powder, filings, or shavings, suitable for field visualization and particle experiments. Function: designed to respond quickly to magnetic fields so patterns of force become visible during demonstrations. Suitability: appropriate for classroom demonstrations, school projects, laboratory experiments, and STEM workshops. Practical use scenarios Classroom demonstration: place a sheet of paper over a bar magnet and sprinkle iron filings to reveal the shape of the magnetic lines of force for all students to observe. Electromagnet experiment: use iron powder around a coil to show how field strength and pattern change when current through the coil is adjusted. Student project or science fair: compare field patterns around different magnet shapes or materials, documenting how iron particles align and concentrate. Notes for use Use on a tray or paper surface to contain particles during demonstrations. Recover particles easily with a magnet for cleanup and reuse. This iron particle product provides a reliable, hands on way to visualize electromagnetic fields and support interactive physics learning.