Sprinkle a small amount of iron filings onto paper and move a magnet underneath to illustrate the pole patterns of the magnetic force field. One 12 oz. jar.
Key Features :
i : Discover the invisible lines of force in any magnet ii : Can used with multiple magnets iii : Great way to demonstrate magnetic force fields iv : Useful in many different science experiments
lié au Iron Filings, 12 oz.
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