Magnetic Field Viewing Kit with Steel Filings
Product Number: DMC731025
$7.50
Clear viewing of magnetic fields!Steel filings are sealed in a scratch-resistant, transparent viewing tray (3.44" D). Include...
Choking Hazard - CONTAINS SMALL MAGNET
Swallowed magnets can stick together across intestines causing serious infections and death. Seek immediate medical attention if magnet(s) are swallowed or inhaled.