Alnico magnets are made up of aluminum, nickel and cobalt. They are very strong and are ideal for a variety of science experiments. This 6-inch alnico bar magnet is a great larger magnet to use to show magnetic lines of force. With north and south poles clearly indicated, it can also be used to teach about magnetic poles. Packaged in a clear blister pack, this can easily be slipped into a holiday stocking, or included with any science-related gift basket, and is essential to have on hand in the classroom!
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