Make your very own ferromagnetic fluid and experiment with magnets with this easy-to-use test tube kit.
A ferrofluid or ferromagnetic fluid is attracted to the poles of a magnetic field. Ferrofluids are colloidal liquids made of nanoscale ferromagnetic.
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 science at work!
This is an amazing present for the young science lover in your life.