Our iron filings are designed to provide a realistic simulation of magnetic fields. These iron filings allow students to visually observe the distribution and shape of magnetic field lines, enhancing their understanding of complex electromagnetic concepts. Ideal for physics classrooms, this tool makes learning interactive and engaging. Features Color: Black Material: Plastic, iron Size: 9.00 x 7.00 x 0.80 cm / 3.54 x 2.75 x 0.31 in Clearly demonstrates the distribution and shape of magnetic field lines, aiding in the understanding of electromagnetic concepts Made from iron, the powder shavings are reliable, ensuring long-term use Practical teaching tool: Ideal for physics labs, school instruction, and scientific research, providing clear experimental demonstrations Easy to use: Simple operation allows students to conduct experiments with ease Versatile applications: Suitable for school instruction, home education, and science exploration, helping to enhance interest in electromagnetism Package list: 1 x box of iron powder