Ferro Magnetic Test Tube

Description

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+

WARNING:  Choking Hazard – Small Parts.  Not for children under 3 years.