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  1. Magnetic Field Viewer 101*76mm 152*101mm 152*152mm 60*80mm 75*100mm 76*76mm

    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

  2. Magnetic Field Viewer Membrane Magnetic Card Detector 152*152mm 76*76mm

    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

  3. Magnetic Field Viewer Membrane Magnetic Card Detector 152*101mm 75*100mm

    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 25*50mm 50*75mm Connector Detector Pattern Display

    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. Magnetic Field Viewer Research Equipment Light Pattern Revealer Detector

    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

  6. Magnetic Viewer Field Viewer Film Easy To Use Magnetic Field Viewer Personal

    1 x Magnetic Field Viewer. This project is easy to use. place the card on the for 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

  7. Magnetic Field Viewer Membrane Magnetic Card Detector 152*101mm 152*152mm AU

    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. Lightweight Magnetic Field Viewer Film Magnet Detector Pattern Display Revealer

    1 x Magnetic Field Viewer. This project is easy to use. place the card on the for 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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