The amazing magnetic liquid just got colorized!

Ferrofluid is a fantastic substance. It's a liquid infused with nano-sized particles that come to life in the presence of a magnet. It's the type of science that appears simply magical.

And up until now, ferrofluid was only available in jet black. That's why we're so excited to introduce Colorful Ferrofluid in a Bottle.

Our super popular Ferrofluid in a Bottle is now available in a pair of beautiful colors.

Yes, this spike-filled sphere is actually a liquid!

So how can a liquid be magnetic? And why does ferrofluid spike? It's science, baby!

Ferrofluid is a solution containing both solid and liquid particles of hematite, magnetite, and an iron-containing compound. This imbues ferrofluid with the magnetic properties of a solid in the form of a liquid. Crazy!

The spiking behavior pictured below provides an amazing 3D visualization of magnetic flux lines. Adjust the distance of your magnet to the fluid to modify the number and intensity of the spikes.

Ferrofluid enjoys a spiked appearance in the presence of a magnetic field.

Pure fun in a bottle!

Once you start playing with Colorful Ferrofluid in a Bottle, it's hard to put it down. There's a seemingly endless array of ways to interact with it.

You can spike it, toss it, drop it, fling it, bridge it, and even make it dance.

Usage note: Leaving the magnet against the ferrofluid for extended periods of time can cause irreversible damage to your ferrofluid (such as it no longer being able to spike). When not in use, keep the included magnet attached to the cap of the bottle or in a separate location.

Magnetic liquid = hours of fun.

Choose from two colors

Colorful Ferrofluid in a Bottle is available in two vibrant hues: gold and blue.

Each 60mL bottle contains 2-3 mL of colorful ferrofluid in a clear solution. This proprietary suspension solution is comprised of 14 different substances that prevent the ferrofluid from staining the glass walls.

Colorful Ferrofluid in a Bottle is available in gold and blue.

Frequently Asked Questions

Question: Is this magic?

Answer: The magic of science, y'all! Ferrofluid is created by immersing nanoscale particles of magnetite, hematite, or an iron-containing compound in a carrier fluid.

Question: So it's the same as Ferrofluid in a Bottle, but with colors?

Answer: Essentially. Our standard Ferrofluid in a Bottle is jet black and is available in a few sizes. Colorful Ferrofluid in a Bottle contains 60mL of fluid and is available in gold and blue.

Question: What ages is this for?

Answer: Ferrofluid in a Bottle is for ages 18+ due to the inclusion of a neodymium magnet.

Question: You said that ferrofluid stains. How does the glass not stain?

Answer: The manufacturer uses a special blend of 14 different suspension liquids to prevent staining of the glass walls. If you were to open the bottle (it's not easy, but do not try!) and get some ferrofluid on your hands, it will stain. You will need to wash your hands repeatedly to remove it.

Question: Can you drink the fluid inside the bottle?

Answer: No. Colorful Ferrofluid in a Bottle is not a refreshment. Don't drink it.

Question: My suspension looks cloudy. What gives?

Answer: That means it's too cold. Allow the suspension to warm up to room temperature and it will clear up.

Question: Is ferrofluid just for awesome fidgeting? Does it have any practical uses?

Answer: Ferrofluid has many practical applications. It can be found in hard drives, MRI equipment, and optical filters. But, yeah, it's pretty awesome for fidgeting.

Question: A lot of the questions in this FAQ seem similar to the ones on the original Ferrofluid in a Bottle page. Is this your sneaky way of cross promoting them?

Answer: No!... What?!... We would never even dream!... OK, yeah, you caught us. But you have to admit, Colorful Ferrofluid in a Bottle is pretty darned awesome. So buy, buy, buy!