Ages 8+/Grades. Steel filings are safely sealed in a scratch-resistant, transparent viewing tray for your investigations. Mess-free! Sold as a pack of 3 kits. Each kit includes rubber-coated magnets (0.75" disc magnet and 1" bar magnet) and filing-filled tray measuring 3.44"D.
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Magnetic Field Viewing Kit With Steel Filings, 3PK
Specifications of Magnetic Field Viewing Kit With Steel Filings, 3PK | |
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