The iron powder box is an excellent tool for demonstrating the effects of in a classroom setting. To use, place a magnet under the box and sprinkle the iron filings on top. The filings will align with the magnetic field lines, creating a visual representation that aid in the understanding of magnetic forces and their applications in real-world scenarios. Features -Color:Silver -Material:Iron filings -Size:6.20X4.50X1.00cm/2.44X1.77X0.39in -Enhanced understanding: facilitates a deeper comprehension of electromagnetic fields and magnetic lines of force through visual and tactile learning. -Precision iron filings: features finely milled iron filings that provide accurate and detailed magnetic field patterns. -Teacher's aid: assists educators in effectively demonstrating and explaining complex electromagnetic concepts. -Sturdy and : constructed from robust materials to ensure longevity and repeated use in learning environments. -Multiple learning settings: suitable for use in classrooms, laboratories, and science exhibitions, enhancing Package list: 1 x iron powder box