Description This iron powder is an essential tool for demonstrating magnetic field lines in middle and high school physics classes. The iron filings are ideal for visualizing magnetic fields, making them a valuable educational resource. Designed to help students understand the principles of magnetism through hands-on experiments. Features - Color: Black - Material: Iron - Size: 12.00 x 6.00 x 6.00 cm / 4.72 x 2.36 x 2.36 in - Educational tool: Demonstrates magnetic field distribution and magnetic lines of force through the movement of iron powder, clearly illustrating the concept of magnetic fields in physics - Suitable for middle and high school: Ideal for physics instruction at the middle and high school levels, aiding students in understanding the fundamental principles of magnetic fields - Reusable: Iron powder can be used for multiple demonstrations, supporting both classroom teaching and experimental activities - Easy to use: Specifically designed for educational purposes with a simple setup, allowing students to easily conduct experiments and observations - Durable material: Made from iron to ensure reliable performance and clear visualization during demonstrations Package list: 1 x bottle of Magnetic Iron Filings (500 g per bottle)