About This

• 【Magnetic Field Viewer Film】Made of magnet, this viewing film allows you to observe magnetic fields in a visual and tangible way.
• 【Easy to use】Simply place the card on the for SURFACE of the magnetic material, and it will reveal a pattern of the magnetic field. No complicated procedures required.
• 【Great for scientific research】 for IDEAL for scientific research purposes, this film helps to study and analyze magnetic fields that are otherwise invisible to the naked eye.
• 【Application】With good performance and practicality, it is suitable for both personal and professional use.
• 【Lightweight and portable】This film is lightweight and comes in small sizes (25x35mm, 40x45mm, 30x50mm), making it easy to store, carry, and bring convenience wherever you go.