{"product_id":"magnetic-field-viewer-film-4x4","title":"Magnetic Field Viewer Film, 4x4\"","description":"\u003ch3\u003e\u003cspan style=\"color: rgb(255, 128, 0);\"\u003e\u003cem\u003eMake invisible magnetic fields instantly visible\u003c\/em\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003eThe Magnetic Field Viewer Film is a flexible, reusable 4\" × 4\" sheet that makes the invisible structure of magnetic fields visible the moment you place it over any magnet. Millions of suspended nickel nanoparticles align themselves along field lines, producing a clear pattern of light and dark that reveals pole locations, field strength, and field shape — no equipment, no setup, no prep.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhy Teachers Love It\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstant, No-Prep Visualization\u003c\/strong\u003e – Place the film directly on or near a magnet and field lines appear immediately, making abstract concepts concrete in seconds.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReusable and Self-Resetting\u003c\/strong\u003e – The film recovers on its own after each use, so it holds up to repeated student handling without consumable cost.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWorks with Any Magnet\u003c\/strong\u003e – Compatible with bar, ring, horseshoe, ceramic, and neodymium magnets; also reveals hidden magnets in everyday objects for engaging discovery activities.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Arbor Scientific","offers":[{"title":"Default Title","offer_id":55671356588105,"sku":"98-1154","price":16.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0030\/6207\/1369\/files\/98-1154MagneticFieldViewerFilm2048x2048.jpg?v=1781644348","url":"https:\/\/www.arborsci.com\/products\/magnetic-field-viewer-film-4x4","provider":"Arbor Scientific","version":"1.0","type":"link"}