NOTE：This product is not suitable for children. Description This magnetic field viewing film is an excellent tool for anyone interested in the study of magnets. The vividly displays the magnetic poles, facilitating a deeper comprehension of magnetic interactions. suitable for science projects, classroom activities, or personal exploration, this film makes learning about magnetism both fun and informative. Features -Color:Green -Material: PVC -Size:5.00X5.00X0.10cm/1.97X1.97X0.04in -Clear magnetic pole visualization: the magnetic pole display film offers clear visualization of magnetic poles, making it easy to observe and understand magnetic properties -Precise magnetic testing: the magnetic circuit observation viewer film is designed for precise testing of magnetic properties, providing accurate results -Reusable green viewer: the green magnetic observation viewer sheet is reusable, allowing for multiple uses -Ideal for education or research use: suitable for education and research settings, the magnetic field viewing film helps in detailed observation and analysis -Practical and sturdy: made from practical materials, the magnetic viewer card ensures durability and a long lifespan Package list: 1 x magnetic display sheet