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Description
ferrofluide magnetique en bouteille decouvrez la scienceThe Magnetic Ferrofluid in a Bottle iron nanoparticles suspended in liquid, sealed in a glass bottle. Dimensions: 7. 2 2. 2 cm. 6 colors: Green, Transparent, Pink, Yellow, Blue, Orange. Comes with 2 magnets for immediate manipulation. Creates artistic and hypnotic shapes when in contact with a magnet. 6 available colors Green Transparent Pink Yellow Blue Orange Hypnotic shapes on contact Bring the magnet closer: the ferrofluid rises into spikes, forms
The Magnetic Ferrofluid in a Bottle — iron nanoparticles suspended in liquid, sealed in a glass bottle. Dimensions: 7.2 × 2.2 cm. 6 colors: Green, Transparent, Pink, Yellow, Blue, Orange. Comes with 2 magnets for immediate manipulation. Creates artistic and hypnotic shapes when in contact with a magnet.
6 available colors
Hypnotic shapes on contact
Bring the magnet closer: the ferrofluid rises into spikes, forms valleys, arches, and patterns that seem alive. Each manipulation creates a unique spectacle.
Suspended iron nanoparticles
Ferrofluid is composed of iron nanoparticles in colloidal suspension — they follow the magnetic field with fascinating precision and fluidity.
Ever-changing patterns
Each manipulation with the magnet creates a different pattern depending on the distance, angle, and speed of approach — the visual possibilities are infinite.
Stress relief & relaxation tool
Observing the hypnotic movements of the ferrofluid has an immediate calming effect — a silent and visual stress-relief tool for the office or home.
2 magnets included
Comes ready to use with two magnets — immediate manipulation upon opening the package. No additional equipment required.
6 colors — original science gift
Green, Transparent, Pink, Yellow, Blue, or Orange — choose the color based on the recipient's style. Ideal for curious teens and adults.
Glass ferrofluid · 7.2 × 2.2 cm · 6 colors · 2 magnets included · iron nanoparticles
Ferrofluid is one of the most counter-intuitive materials that exist — a liquid that behaves like a solid on contact with a magnet. Bring the magnet close to the bottle: the liquid comes alive, rising into irregular spikes, forming deep valleys, structures that seem to defy all logic. Move the magnet away: everything collapses and returns to a liquid state. In 7.2 × 2.2 cm glass, 6 colors, 2 magnets included — fluid physics made visible and contemplative.
📦 Content
1 ferrofluid bottle
Glass · 7.2 × 2.2 cm · color of choice
2 magnets
For immediate manipulation
| Materials | Glass + ferrofluid (iron nanoparticles) |
| Dimensions | 7.2 × 2.2 cm |
| Colors | Green / Transparent / Pink / Yellow / Blue / Orange |
| Content | 1 bottle + 2 magnets |
| Principle | Ferrofluid — suspended iron nanoparticles |
| Use | Science · stress relief · decoration · education |
For best visual effects: slowly bring a magnet closer and watch the spikes (Rosensweig instability) form gradually. Try two magnets simultaneously on either side of the bottle for more complex patterns. Illuminate the ferrofluid from the side with a small lamp to reveal the depth of the formed structures.
🎁 The most fascinating science gift there is: glass, ferrofluid, 7.2 × 2.2 cm, 6 colors, 2 magnets included. An original and memorable gift for a birthday, Christmas, or teacher gift — for teens and adults passionate about science and beautiful objects.
Frequently Asked Questions
What exactly is ferrofluid?
Ferrofluid is a colloidal liquid composed of iron nanoparticles (magnetite) suspended in a carrier liquid. These nanoparticles, about a nanometer in size, are too small to settle by gravity and remain in permanent suspension. When in contact with a magnet, they align and form the characteristic structures called "Rosensweig instability" — these regular spikes visible on the liquid's surface.
Why does ferrofluid form spikes?
The spikes (Rosensweig instability) form when the magnetic force exceeds the liquid's surface tension. Ferrofluid seeks to follow the magnetic field while minimizing its energy — the balance between these two forces creates the characteristic and regular structures observable on the surface.
Are the included magnets powerful enough?
Yes — the 2 included magnets are sized to create visual effects through the bottle's glass. For more intense effects or at a greater distance, additional neodymium magnets (sold separately) can amplify the formations.
Is ferrofluid dangerous?
Not under normal use conditions — it is sealed in a glass bottle. Avoid direct contact with ferrofluid (it stains and is difficult to clean) and keep out of reach of young children. Do not open the bottle.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
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★★★★★ 5
Good choice in sublimation paper!
Size: 8.5"x14"
Good printer compatibility with my Epson printer. Very smooth. No jamming in my printer. I use a lot of of sublimation paper lots of projects going on. Need to def to stock up
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Reviewed in the United States on February 12, 2026
★★★★★ 5
It works!!!
Had a customer service question and it was answered in less than 24 hrs. It works just like the instruction says!
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Reviewed in the United States on May 19, 2026
★★★★★ 5
Perfect product for the error message you get on your EPSON printer
Top tier product. This pad replacement came with the instructions on how to fix my Epson printed that I've converted into sublimation. I never knew it had a drip container and I literally thought I was going to have to spend a lot of money trying to fix it. I looked up some videos and saw i needed a replacement kit. THis is it is I have an epson 4800 the video walk through with the paper was EASY, to put it in was even easier. Highly recommend.
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Reviewed in the United States on February 13, 2026
★★★★★ 5
Great product
Works well
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Reviewed in the United States on May 6, 2026
★★★★★ 5
Perfect
Software is a bit clunky to use but worked perfectly (not to mention a huge cost savings!)
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Reviewed in the United States on April 3, 2026