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Map magnetic fields using iron filings and a magnet. This item includes 12 ounces of iron filings in an easy-to-dispense jar.
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Used these for a demo for our daughters kindergarten class. there was enough in the bottle for us to make 20 small containers with filings in them so all the kids could observe the... Read morePublished 1 month ago by S.S.
I bought this for my 5-year old along with some magnets. He's had endless fun with them discovering the magic of magnets and magnetic fields. Read morePublished 1 month ago by C. Williams
*** They are great! Perfect item. Jar is the same size as a spice jar from the store.Published 1 month ago by Jason C. Lucchini
magnetic, but be careful as it rusts with the slightest of moisture!Published 2 months ago by Gina M.