Great Learning Tool
the magnetic field paper is ideal for explaining magnetic fields and seeing how they interact and can change weaker fields and other little things, which helps a lot when its not an invisible force to really show whats happening with these forces>
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Warm Tips>
the magnet pattern detector is surrounded by black paper picture frames, please keep it in a dry and ventilated place and avoid long time exposure to the sun as well as dark and humid conditions>
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Multi-purpose>
It can be used as magnetic viewing film, magnetic field viewing film, magnet pattern detector, learning tool and fun to mess around with. Awesome visualization of magnetic fields: Excellent visual demonstration of magnetic fields>
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Specification:>
Color: green>
Size: 10x10cm/4x4in>
Material: nano material>
What You Will Get: 1 x magnetic viewing film>
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Customer Service: We are professional sellers and provide professional services. Please contact us for any problems, and we will solve them for you at the first time>