Explore beautiful 3-D patterns created by a magnetic field – mess free! Sealed plastic display tube (now scratch resistant!) enables clear, 360-degree viewing. Keeps filings clean and safe. Just insert the magnet into the center chamber. Includes display tube with encased steel filings, Alnico cow magnet, and multilingual activity booklet. Package measures 5.13″H x 3.5″D. Ages 6+/Grades K+.
Key Features :
Durable, scratch-resistant plastic tube that stands up to classroom use.Clean steel filings that ensure the viewing tube stays cloud-free.No mess!! Filings are sealed completely inside the tube.Includes a rubber stopper that keeps the heavy, high quality cow magnet in place.Children learn how a magnet’s invisible force field works… in 3D!
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