This classroom demonstration device is perfect for understanding the patterns created by magnetic lines of force. The viewer is a flat and sealed clear plexi-box filled with iron filings dispersed in oil. The iron filings float in a layer of the oil and orient themselves according to the mangetic force of any magnet placed under the apparatus. The lines of force can be displayed for the whole classroom to see via use of an overhead projector. Excellent for entry-level earth science and magnetic experiments.
Note: Magnet not included
Ever wonder how to survive in the wilderness? These cards can help!
An ancient toy featuring optical illusion and hands-on fun that never grows old!
The large realistic model has removable organs that can be studied and set back into the correct position.
Build over 100 exciting electronic projects with this easy to use kit!
Make the coolest 3D pin art on your desk with this amazing desk toy.
Perform awesome experiments using everyday materials found in any kitchen!
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