Ferrofluid Bolt Kit.  What, you've never seen ferrofluid? Well you're in for a treat. Imagine a liquid that is magnetic, and forms amazing magnet spikes that are all in liquid form when is comes in contact with a strong magnet. Our Ferrofluid Bolt Kit will get you started exploring and demonstrating the unique properties of ferrofluid. It comes complete with everything you need to create the amazing field spikes seen here. Each kit includes 50 ml Ferrofluid, special ferrous nut and bolt and magnets. Makes a great demonstration. Can be used again and again.

Notice: While Ferrofluid is amazing, it is also very messy stuff. Rubber gloves, safety goggles, and protective clothing should be used. It is intended for teacher demonstration only. Close adult supervision required.