Jumbo Magnetic Lines of Force Demonstrator, 3-D, Set of 2

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This deluxe 3 dimensional set includes 2 plastic viewers containing over 200 miniature compasses each! Each jumbo viewer is 8" / 20cm in height and contains a removable side panel for placement of the included magnets. The default photo shows the set with the (included) magnets removed. Pan over the other photo (clicking on it to enlarge) to see the (included) magnets in place. This set is so simple to use, and it dramatically illustrates magnetic lines of force to students. It is far superior to iron filings both in detail and cleanliness. Ideal for use with an overhead projector. Magnets included (as shown). A best seller!

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