DescriptionThese are great magnetic field demonstrators, which is to show your students and kids the magnetic induction lines. Get a close-up look at the mystery of magnetism. Explore the basic concepts of magnetic fields. Suitable for physics experimental lesson.Features- Color:As Shown.- Material:Plastic. - Size:5.20X5.20X1.00 cm/2.04X2.04X0.39 inch. - This magnetic particle iron powder box is the demonstration of magnetic lines of force. - This magnetic field demonstrators features high durability and high reliability, bring you a good using experience. - Get a close-up look at the mystery of magnetism. Explore the basic concepts of magnetic fields, including poles and attraction. - Using these iron filings or other tools, so you can view patterns of force created by a magnetic field. - It is a must-have supply for labs, school, suitable for students, home, science, labs and so on.
