Suit for classroom use, this iron powder set allows students to explore of magnets. The powder can be sprinkled around magnets to reveal field lines, providing a clear and way to magnetism. This educational tool is ideal for learning and enhancing students' comprehension of scientific concepts. Features -Color:Transparent -Material:Plastic, Iron -Size:5.50X5.50X1.50cm/2.16X2.16X0.59in -Design: iron powder provides a clear visual representation of fields, aiding in better understanding -Enhances learning experience: iron powder demonstrations can make physics lessons more and enjoyable for students -Overcomes difficult topics: helps students the complex of fields, making it easier to learn and retain information -Suitable for multiple environments: ideal for use in educational labs, home learning, session, and more, making versatility -Iron: made from iron shavings, this product is built to withstand longterm use Package list: 5 x Iron powder box