- Acrylic cube (measures 3 inches square) containing iron filings suspended in a silicone oil with a cylindrical magnet in the center. The cylindrical magnet can be removed from the acrylic cube.
- Flat acrylic rectangle (measures 6 inches X 3.5 inches) containing iron filings suspended in a silicone oil.
- Horseshoe Magnet
- Bar Magnet
- Styrofoam Storage Box
For more information about magnetic lines of force, CLICK HERE.