VISUALISE MAGNETIC FIELDS. Visualise magnetic fields with this large, micro-encapsulated film known as field paper. This material allows the user to see the magnetic field produced by any magnet. THIN, FLEXIBLE, AND REUSABLE. Each sheet is super-thin and flexible meaning it can be wrapped tightly around circular magnets. What's more, each sheet can be used over and over again. SPECIFICATIONS. 50mm x 50mm
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