Description This iron powder box is designed for simulating magnetic fields, making it an essential tool for physics and electromagnetism demonstrations. The device allows users to visualize magnetic lines of force, providing a hands-on learning experience. Its compact design ensures easy handling and storage, making it ideal for classroom settings. Features -Color:Assorted Color -Material:Plastic, iron -Size:9.40X7.00X1.20cm/3.69X2.75X0.47in-Precise magnetic field simulation: accurately depicts magnetic field lines, aiding students in better understanding electromagnetic physics concepts.-Essential teaching tool: ideal for physics experiment teaching, helping students conduct magnetic field experiments and enhance practical skills.-great materials: made from great materials, great and easy to clean, ensuring longterm use.-Versatile design: suitable for demonstrating magnetic fields, drawing magnetic field lines, and various experiments, meeting diverse teaching needs.-Easy to use: simple operation, great for studentled experiments, increasing learning interest and participationPackage list: 1 x box of iron powder 1 x magnet