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Ferromagnetic Fluid Test Tube
Ferromagnetic Fluid Test Tube
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Ferromagnetic Fluid Test Tube

$6.50

Make your very own ferromagnetic fluid and experiment with magnets with this easy-to-use test tube kit.

Each test tube contains a bag of special magnetic powder and a strong magnet, so when you suspend the powder in a liquid, you can place the magnet near the tube and watch amazing 

 Ages 8+

Vendor: Heebie Jeebies


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