Set of 10 compasses which can be used for observing lines of magnetic force. Made from plastic, each compass is 14 x 6mm in size. As a teaching activity, try placing a standard bar magnet in the centre of the set of compasses and watch at the directional arrows on the compass follow the magnetic field of the magnet.
14 Dec 2015
22 May 2015
Much smaller than expected
12 Jan 2015
"Fine, these performed as expected."
31 Oct 2014
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