Description The iron powder and iron filings box is an essential tool for demonstrating magnetic fields in physics and electromagnetism classes. This educational instrument allows students to visualize magnetic field lines by sprinkling iron filings around a magnet. As the filings align along the magnetic field lines, students gain a clear understanding of magnetic forces and their interactions. Ideal for classroom experiments and hands-on learning, this tool enhances comprehension of complex scientific concepts. Features -Color:Multi -Material:Plastic+iron -Size:10.00X7.00X1.00cm/3.93X2.75X0.39in-Size:9.00X6.00X0.80cm/3.54X2.36X0.31in-Size:6.00X4.50X0.80cm/2.36X1.77X0.31in-Real magnetic field simulation: accurately demonstrates the distribution and shape of magnetic field lines, aiding students in better understanding electromagnetic concepts.-Easy to use: simple operation without the need for additional tools, making it suitable for both studentled experiments and teacher demonstrations.-Practical teaching tool: ideal for physics labs, school teaching, and scientific research, providing clear and effective experimental demonstrations.-Adjustable magnetic field: allows for the adjustment of magnet position and angle to change the strength and direction of the magnetic field, catering to various experimental needs.-Versatile application: practical for classroom settings, home experiments, and interactive science activities, enhancing the learning experience for students of all agesPackage list: 3 cps x iron powder boxes(S+M+L)