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Dowling Magnets Magnetic Field Viewing Kit with Steel Filings Pack of 3
Mess-free! Steel filings are safely sealed in a scratch-resistant transparent viewing tray for your investigations. Each kit includes rubber-coated magnets (0.75 disc magnet and 1 bar magnet) and filing-filled tray measuring 3.44 D. Sold as a pack...
$29.09 $20.62 Free Delivery