--- product_id: 471554829 title: "Magnetic Field Viewing Film, Magnetic Field Viewer, 4 x 4 Inch" brand: "learay" price: "¥5737" currency: JPY in_stock: true category: "Learay" url: https://www.desertcart.jp/products/471554829-magnetic-field-viewing-film-magnetic-field-viewer-4-x-4 store_origin: JP region: Japan --- # color-coded magnetic field intensity 4x4 inch magnetic flux display reusable with automatic recovery Magnetic Field Viewing Film, Magnetic Field Viewer, 4 x 4 Inch **Brand:** learay **Price:** ¥5737 **Availability:** ✅ In Stock ## Summary > 🧲 Unlock the unseen world of magnets—because science looks cooler in color! ## Quick Answers - **What is this?** Magnetic Field Viewing Film, Magnetic Field Viewer, 4 x 4 Inch by learay - **How much does it cost?** ¥5737 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/471554829-magnetic-field-viewing-film-magnetic-field-viewer-4-x-4) ## Best For - learay enthusiasts ## Why This Product - Trusted learay brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Eco-Friendly & Reusable:** Automatic recovery after use means endless magnetic exploration without waste. - • **Compact & Durable Design:** 4x4 inch plastic film with protective frame—built to last and easy to handle. - • **Visualize Invisible Forces:** See magnetic field lines in vivid color gradients for instant magnetic insights. - • **Perfect for STEM & Curiosity:** Ideal for scientific projects, education, and sparking innovative thinking. - • **Universal Magnet Compatibility:** Works seamlessly with SmCo, AlNiCo, Neodymium, and flexible magnets. ## Overview The Learay Magnetic Field Viewing Film is a 4x4 inch reusable tool that reveals magnetic field patterns using a brownish-yellow plastic film embedded with fine nickel nanoparticles. It visually displays magnetic flux intensity through color variations, compatible with various magnet types, making it perfect for educational, scientific, and everyday magnetic exploration. ## Description Magnetic Field Viewing Film, Magnetic Field Viewer, 4 x 4 Inch | Magnetic Flux Display, Magnet Pattern Detector, See Magnetic Field for Scientific Project: desertcart.com: Industrial & Scientific ## Features - Magnetic Field Display: Brown magnetic nanoparticles film is used to show magnetic field, clearly showing the patterns of magnetic field lines of magnets. Different colors represent different magnetic field intensity - Unique Design: The magnetic field paper is made of plastic film that contains a ferromagnetic slurry of fine nickel, and the frame outside can fix and protect the film - Widely Used in Daily: Ideal for observing all kinds of magnets such as SmCo, AlNiCo, Neodymium and Flexible Magnets. Clearly view magnetic field in objects. Magnetic clasp on your door, the speaker on your phone, or concealed buckle of the handbag - Wonderful Tool for Study: Just put magnetic field viewing film on little things, discover and analyze magnetic fields, and open your mind to calculate the value of the magnetic field, even if change the magnetic pattern - Reusable and Automatic Recovery: Our magnetic field viewer is reusable and automatic recovery after use, just place it on object surface to observe magnetic field ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0BCFM83XB | | Best Sellers Rank | #13,004 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #7 in Science Education Magnets & Magnetism Kits | | Brand Name | Learay | | Color | Brownish Yellow | | Customer Reviews | 4.5 4.5 out of 5 stars (274) | | Included Components | Magnetic Field Viewing Film | | Item Dimensions L x W x Thickness | 4"L x 4"W x 0.04"Th | | Item Highlight | Magnetic Flux Display, Magnet Pattern Detector, See Magnetic Field for Scientific Project | | Manufacturer | Learay | | Material Type | Magnetic Nanoparticles | | Model Number | Learay-Magnets-MFV001 | | Number of Items | 1 | | Number of Packs | 1 | | Number of Pieces | 1 | | Part Number | Magnetic Field Viewing Film | | Shape | Square | | UPC | 707933182284 | | Unit Count | 1 Count | ## Product Details - **Brand:** Learay - **Color:** Brownish Yellow - **Material:** Magnetic Nanoparticles - **Product Dimensions:** 4"L x 4"W x 0.04"Th - **Shape:** Square ## Images ![Magnetic Field Viewing Film, Magnetic Field Viewer, 4 x 4 Inch - Image 1](https://m.media-amazon.com/images/I/71YPInNX4DL.jpg) ## Available Options This product comes in different **Size** options. ## Frequently Bought Together - 4 x 4 Inch Magnetic Field Viewing Film, Magnetic Field Viewer, Magnetic Flux Display, Magnet Pattern Detector, See Magnetic Field for Scientific Project (4 * 4 Inch) - Green Magnetic Viewing Film 4x6 | Cool Magnets Science Kit | Magnetic Field Detector & Visual Aid for Physics Education | Ideal for Research & Magnetism Demonstrations - CMS Magnetics - Magnetic Pole Detector, a Handy Polarity Identifier to Determine Magnet's North or South Poles, Great for School Teachers, Science Projects, and Metal Detector --- ## 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.jp/products/471554829-magnetic-field-viewing-film-magnetic-field-viewer-4-x-4](https://www.desertcart.jp/products/471554829-magnetic-field-viewing-film-magnetic-field-viewer-4-x-4) --- *Product available on Desertcart Japan* *Store origin: JP* *Last updated: 2026-09-29*