Ideal for education settings, this iron powder box allows students to explore the principles of magnetism and electromagnetism. By sprinkling the iron filings over a magnetic field, users can observe of magnetic field lines, enhancing their understanding of these fundamental concepts in physics. Features -Color:Silver -Material:Iron -Size:6.20X4.50X1.00cm/2.44X1.77X0.39in -Visual aid: provides a clear visual representation of electromagnetic fields, helping students to better understand in physics -Robust construction: made from sturdy iron, this product is designed to endure regular use and is easy to maintain, ensuring longevity -Simple operation: the easy to use design makes it accessible for both teachers and students, promoting hands-on experiences -education versatility: ideal for use in education institutions, research labs, and science exhibitions, a practical tool for various scientific demonstrations -For learning: supports comprehensive learning by allowing students to conduct experiments that illustrate the principles of electromagnetism Package list: 2 of iron powder box