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Lines of Force Demonstration - Magnets & Iron Filings

A look at magnetic lines of force with iron filings in bulk and also sealed in plastic.

Iron Filings - 3 oz

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Special Price $5.99 Regular Price $6.99

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Special Price $5.99 Regular Price $6.99

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Magnetic Field Demonstrator - Iron Filings Sealed in Fluid

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$21.99

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Iron Filings - 12oz.

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Special Price $13.99 Regular Price $16.99

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