Description
Consist of a closed transparent box with a transparent tube through the center. The box contains iron filings and silicon oil. When one or more cylindrical magnets are inserted into the central tube, the filings are attracted and line up along the field lines in all dimensions. With Cylindrical Magnet.
Additional information
| Weight | 3 lbs |
|---|---|
| Dimensions | 12 × 6 × 6 in |
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