Ferrofluid Display + Neodymium Magnets

$15.95

INVENTED @ NASA

This 15mL glass bottle contains black ferrofluid suspended in a transparent solution, providing a visual aid to mangetism. The ferrofluid conforms to the magnetic field lines of nearby strong magnets.

**Bottle is sealed and not intended to be opened. If you must open it, know that ferrofluid will stain almost anything.**

Dimensions: 71mm x 25mm
Weight: 44g

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