This iron powder and shavings box is an essential tool for demonstrating the distribution of magnetic field lines in physics and magnetism experiments. The product is designed for educational purposes, making it good for classroom demonstrations and hands-on learning. It helps students visualize and understand the of magnetism in a tangible way. Features -Color:Assorted Color -Material:Plastic,iron -Size:10.00X7.00X0.90cm/3.93X2.75X0.35in -Real demonstration: the magnetic field demonstrator visually showcases the distribution of and lines, aiding students in better understanding physical magnetism concepts -Essential teaching tool: as a crucial tool for physical magnetism experiments, it provides a variety of experimental scenarios and data for comprehensive learning -Educational demonstration aid: ideal for schools and laboratories, it assists teachers in delivering engaging and effective physical magnetism demonstrations -Durable materials: made with durable iron powder and shavings boxes, it is durable and easy to clean, ensuring longterm use -Enhanced learning: by observing and experimenting, students can deeply understand the characteristics of and the distribution of magnetic lines, improving their learning result Package list: 2 pcs x 1 box Magnetic iron filing box