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    What People Are Saying

    Best tool ever to show magnetic fields
  • Ellen
  • 10/28/2016
  • I used to pour iron filings out on a desk and attempt this in the past. What a mess! This tool is absolutely fantastic and accomplishes the visualization of the field or fields with such ease. I still use an overhead projector in my classroom, so the fact that I can just shine the light through the demonstrator is awesome! The entire class could see and then walk up to the screen and demonstrate where the force lines were visible between the poles of a horseshoe magnet. It's well worth the $20!
    Magnetic Field Demonstrator
  • Melissa
  • 06/28/2016
  • This is an excellent tool for demonstrating magnetic fields! It's fun to see how the iron filings react when a magnet is nearby.

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    Magnetic Field Demonstrator

    Ages 10+

    Item# MG-FLDEMO1

    $19.95 in_stock

    In Stock

    Order now to ship Tomorrow. Express shipping is available.
    Product Overview
    This magnetic field demonstrator is a convenient, clean, and safe way to visualize magnetic fields.

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    • Product Details

      Magnetic Field Demonstrator

      This magnetic field demonstrator is a convenient, clean, and safe way to visualize magnetic fields. It is a transparent acrylic case that holds iron filings in a fluid of proper viscosity. The unit can also be placed on an overhead projector for classroom demonstration. The iron filings move to form shapes consistent with the various magnetic fields applied. The viscous liquid holds the filings in place for a while after the magnetic field is removed, making observation easier. Instructions are included. This magnetic field demonstrator measures 8.75" x 4.75" x 0.4".

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