Eddy Currents & Magnetic Fields

Explore the invisible fields of force around magnets. Iron Filings are great to experiment with magnetic fields. With Sealed Iron Filings, see how iron filings react with magnets and show magnetic fields without the mess. You can use the Magnetic Field Viewer Card to see the poles of a magnet. Eddy Current Rods and Eddy Current Tubes are great for demonstrating Lenz's Law!
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  • Super-Large Eddy Current Tubes

    Super-Large Eddy Current Tubes

    Drop neodymium magnets down these tubes and watch them slowly fall.
    $15.95–$39.95
  • Magnetic Field Cube

    Magnetic Field Cube

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    A striking new way to observe magnetic field lines - in 3D!
    $42.95
  • Magnetic Sand Timer

    Magnetic Sand Timer

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    Instead of sand, the Magnetic Sand Timer is filled with black iron filings.
    $7.95
  • Eddy Current Rods

    Eddy Current Rods

    Great for demonstrating Lenz's Law!
    $38.95
  • Magnetic Field Pattern Window

    Magnetic Field Pattern Window

    Sealed particles of iron move in a fluid to show the field lines of magnets.
    $59.95
  • Neodymium Magnet Experimenter's Set

    Neodymium Magnet Experimenter's Set

    Review star icon Review star icon Review star icon Review star icon Review star icon (3 reviews)
    A fantastic assortment of our most popular neodymium magnets.
    $42.95
  • Super Ferromagnetic Silicone Putty

    Super Ferromagnetic Silicone Putty

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    Watch this putty creep slowly toward the magnets!
    $14.95
  • Magnaprobe

    Magnaprobe

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    A highly sensitive probe for studying three-dimensional magnetic force fields.
    $9.95
  • Magnetic Field Viewer Card

    Magnetic Field Viewer Card

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    You can use this amazing viewer card to locate the poles of a magnet.
    $3.95
  • Magnetic Counting Chips

    Magnetic Counting Chips

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    Colorful little transparent discs with a thin metal band around the outside.
    $8.95
  • Iron Filings - one Pound Package

    Iron Filings - one Pound Package

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    Loose iron filings for experimenting with magnetic fields.
    $5.95
  • Sealed Iron Filings

    Sealed Iron Filings

    Review star icon Review star icon Review star icon Review star icon Review star icon (11 reviews)
    See how iron filings react with magnets and show magnetic fields without the mess.
    $2.95
  • Magnetic Field Viewer Film

    Magnetic Field Viewer Film

    Review star icon Review star icon Review star icon Review star icon Review star icon (4 reviews)
    This micro-encapsulated film enables students to view a static magnetic field.
    $10.95–$32.95