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  1. Practical Magnetic Field Viewer Small Size for Product Demonstrations

    1 Magnetic Field Viewer. This project is easy to use. place the card on the of a magnetic material and it will display a patterned magnetic field. Great for personal or scientific research. It can help us study magnetic fields that we cannot see.

    eBay

  2. Multi Size Magnetic Research Display Card Magnetic Field Viewer Flexible Film D

    This item is easy to use. Just place the card on the surface of the magnetic material and it will reveal a magnetic field of pattern. 1 x Magnetic Field Viewer. The highly flexible film suit for magnetic surfaces with any degree of convexity or concavity.

    eBay

  3. Magnetic Field Viewer Pattern Display Membrane Magnetic Card Detector-Dark Green

    1 x Magnetic Field Viewer. This project is easy to use. place the card on the of a magnetic material and it will display a patterned magnetic field. Great for personal or scientific research. It can help us study magnetic fields that we cannot see.

    eBay

  4. Magnetic Field Viewer Membrane Magnetic Card Detector 152*152mm 60*80mm

    1 x Magnetic Field Viewer. This project is easy to use. place the card on the of a magnetic material and it will display a patterned magnetic field. Great for personal or scientific research. It can help us study magnetic fields that we cannot see.

    eBay

  5. Multi Size Portable Magnetic Field Viewer Flexible Film Research Display Card C

    This item is easy to use. Just place the card on the surface of the magnetic material and it will reveal a magnetic field of pattern. 1 x Magnetic Field Viewer. The highly flexible film suit for magnetic surfaces with any degree of convexity or concavity.

    eBay

  6. Portable and Versatile Magnetic Viewing Film Magnetic Field Viewer 40*50mm

    Magnetic Field Viewer Film Magnetic Viewing Film Paper. Material：Magnetic Field Viewer Viewing Film. 1x Magnetic Field Viewer Viewing Film. Easy to use: Just place the card on the of the magnetic material and it will reveal a magnetic field of pattern.

    eBay

  7. Visualize Magnetic Fields Magnetic Field Viewer Film for Science Education

    1 x Magnetic Field Viewer. This project is easy to use. place the card on the of a magnetic material and it will display a patterned magnetic field. Great for personal or scientific research. It can help us study magnetic fields that we cannot see.

    eBay

  8. Magnetic Field Viewer-Pattern Displa-Membrane Magnetic Card Detector Dark Green

    1 x Magnetic Field Viewer. This project is easy to use. place the card on the of a magnetic material and it will display a patterned magnetic field. Great for personal or scientific research. It can help us study magnetic fields that we cannot see.

    eBay

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