Osmond Magnetic Field Observation Film 4X6 Inch, Reusable Magnetic Observation Film, Magnetic Flux Display Sheet

[Unique Photo Frame Design]- The photo frame is designed for easy storage, and the holes on both sides are easy to take out [High Quality]- The magnetic field display film is made of high quality nanomaterials. It is reusable, , and automatically recovers immediately after use. [Instant Auto-Recovery]- Our magnetic film sheet is reusable and automatically recovers after use, just put it on the of the magnetized object to observe the range and strength of the magnetic field [Good tool for learning]- Visualize the magnetic field lines of different objects and magnets. The magnetic field remains on the film, so you can further analyze the magnetic field pattern until use. A great educational tool for magnetic research and analysis!, Weight: 0.0771617917 pounds, Manufacturer: Osmond