--- product_id: 48788274 title: "EFH1 Ferrofluid 20ml for Science, Education, Experiments, Students, and Teachers" brand: "first4magnets" price: "R$320" currency: BRL in_stock: true reviews_count: 13 category: "First4 Magnets" url: https://www.desertcart.com.br/products/48788274-efh1-ferrofluid-20ml-for-science-education-experiments-students-and-teachers store_origin: BR region: Brazil --- # Responsive to external magnetic fields for dynamic displays Includes petri dish & pipette for precise experiments 20ml EFH1 grade magnetic liquid EFH1 Ferrofluid 20ml for Science, Education, Experiments, Students, and Teachers **Brand:** first4magnets **Price:** R$320 **Availability:** ✅ In Stock ## Summary > 🧲 Unlock the magic of magnetism—where science meets spectacle! ## Quick Answers - **What is this?** EFH1 Ferrofluid 20ml for Science, Education, Experiments, Students, and Teachers by first4magnets - **How much does it cost?** R$320 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.com.br](https://www.desertcart.com.br/products/48788274-efh1-ferrofluid-20ml-for-science-education-experiments-students-and-teachers) ## Best For - first4magnets enthusiasts ## Why This Product - Trusted first4magnets brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Magnetic Mastery:** Manipulate mesmerizing ferrofluid patterns with ease - • **Visual Spectacle:** Watch tiny magnetic particles create stunning, fluid art - • **Compact & Portable:** 20ml tube fits perfectly on any desk or lab station - • **Science in Your Hands:** Perfect for students and educators to explore magnetism - • **Complete Experiment Kit:** Comes with petri dish and pipette for professional setups ## Overview The EFH1 Ferrofluid 20ml is a premium-grade magnetic liquid designed for educational and experimental use. It responds vividly to magnetic fields, creating captivating visual effects. Supplied with a petri dish and pipette, this compact kit is ideal for students, teachers, and science enthusiasts aiming to explore the fascinating properties of magnetism safely and effectively. ## Description Free delivery and returns on all eligible orders. Shop EFH1 Ferrofluid 20ml for Science, Education, Experiments, Students, and Teachers. Review: Very cool stuff, mind you don't spill it though! - The fluid comes with two small screwtop plastic containers, along with a standard plastic petri dish and pipette. For the best effect I would advise putting a small amount in the petri dish, barely enough to cover the surface, and approach with a magnet from below. Be very careful, as a strong magnet from the side can easily cause the fluid to fly over the edge out of the petri dish! Be extra careful, since the fluid stains most materials, and can be difficult to wash out. The effect from a magnet is very interesting to look at. The volumes required are very small so this amount could be used to amuse quite a few people. Review: Use a glass jar! - OK, top tips: open up the packaging throw away the plastic dishes and the pipette. Get your self a small, glass jar with a tight screw on lid, like an old small chutney jar and pour in the fluid, let it drain, wrap up the old packaging and throw it all away. Seal the jar with the lid. Now you can safely play with a magnet on the outside of the glass jar and you won't get this everywhere (like I did!). Its a good laugh and amazed our granddaughter and others. ## Features - Causes serious eye irritation. - Causes skin irritation. - May be fatal if swallowed and enters airways. - IDEAL FOR SCIENCE & EDUCATION. This intriguing ferrofluid is a must-have item for any budding scientist. The magnetic liquid can be manipulated by an external magnetic field creating mesmerising effects. - CREATE SPECTACULAR DISPLAYS. This majestic liquid is comprised of the tiniest magnetic particles which display a spectacular reaction when in close proximity to a magnet. - SPECIFICATIONS. 20ml tube. EFH1 grade ferrofluid. Petri dish and Pipette included. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B00EZODVX0 | | Best Sellers Rank | 53,593 in DIY & Tools ( See Top 100 in DIY & Tools ) 64 in Magnetic Hooks | | Bottom Shape | Round | | Bottom shape | Round | | Brand | FIRST4MAGNETS | | Capacity | 20 ml | | Country Of Origin | China | | Customer Reviews | 4.1 out of 5 stars 336 Reviews | | Global Trade Identification Number | 05055641205524 | | Graduation Interval | 20 Millilitres | | Graduation interval | 20 Millilitres | | Item Shape | Cylindrical | | Item Weight | 0.03 Kilograms | | Manufacturer | Magnet Expert® | | Manufacturer Part Number | F4MFF20S-1 | | Material | Glass | | Material Type | Glass | | Model Number | F4MFF20S-1 | | Number of Items | 1 | | Unit Count | 1.0 count | ## Product Details - **Bottom shape:** Round - **Brand:** FIRST4MAGNETS - **Capacity:** 20 ml - **Global Trade Identification Number:** 05055641205524 - **Graduation interval:** 20 Millilitres - **Manufacturer:** Magnet Expert® - **Material:** Glass - **Number of items:** 1 - **Shape:** Cylindrical ## Images ![EFH1 Ferrofluid 20ml for Science, Education, Experiments, Students, and Teachers - Image 1](https://m.media-amazon.com/images/I/61EjA3jOb1L.jpg) ## Questions & Answers **Q: Is this product oil based or water based?** A: Oil based. **Q: Hello, I'd like to but 2 bottles of Ferrofluid 20ml but I need them to be in FINLAND by WEDNESDAY the 20th of MAY. Is it possible to send it fast?** A: yes! **Q: I heard what it is rocket fuel made by nasa? it is safe to touch it?** A: It was invented by Nasa, but it's not rocket fuel. It can irritate some skin though, and is very very messy and stains everything so it's best to wear gloves any only handle manipulate it in disposable petri dishes as shown or old pyrex cookware you're not going to use for food again **Q: If i made a line of this and put a magnet at one end, does the other end become magnetised, ir is the effect only localised?** A: Your line would not stay a line. As a fluid, it would be drawn towards the magnet. I believe the fluid contains iron particles, however, which are paramagnetic and so the magnetic field is somewhat extended in its direction. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Very cool stuff, mind you don't spill it though! *by A***A on 10 February 2018* The fluid comes with two small screwtop plastic containers, along with a standard plastic petri dish and pipette. For the best effect I would advise putting a small amount in the petri dish, barely enough to cover the surface, and approach with a magnet from below. Be very careful, as a strong magnet from the side can easily cause the fluid to fly over the edge out of the petri dish! Be extra careful, since the fluid stains most materials, and can be difficult to wash out. The effect from a magnet is very interesting to look at. The volumes required are very small so this amount could be used to amuse quite a few people. ### ⭐⭐⭐⭐ Use a glass jar! *by R***E on 12 October 2019* OK, top tips: open up the packaging throw away the plastic dishes and the pipette. Get your self a small, glass jar with a tight screw on lid, like an old small chutney jar and pour in the fluid, let it drain, wrap up the old packaging and throw it all away. Seal the jar with the lid. Now you can safely play with a magnet on the outside of the glass jar and you won't get this everywhere (like I did!). Its a good laugh and amazed our granddaughter and others. ### ⭐⭐⭐⭐⭐ Great but messy *by E***R on 30 December 2023* Bought this for my science keen 7 year old. He loves it! But it DEFINITELY needs supervision, it's messy!! I learned that the hard way.. ## Frequently Bought Together - EFH1 Ferrofluid 20ml for Science, Education, Experiments, Students, and Teachers - Iron Filings for Science, Education, Experiments, Students, and Teachers - 80g - 2 Educational Alnico Bar Magnet for Science, Education, Experiments, Students, and Teachers - North & South Identified - 11mm x 6mm x 75mm --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.com.br/products/48788274-efh1-ferrofluid-20ml-for-science-education-experiments-students-and-teachers](https://www.desertcart.com.br/products/48788274-efh1-ferrofluid-20ml-for-science-education-experiments-students-and-teachers) --- *Product available on Desertcart Brazil* *Store origin: BR* *Last updated: 2026-09-03*