{"product_id":"b0h6wj61m8","title":"3D Magnetic Field Lines Demonstration Kit, Transparent Iron Filing Box \u0026 Permanent Magnet Set for Induction Line Distribution Physics Teaching Experiments","description":"\u003cdiv\u003e\n\u003ch1\u003eAbout This\u003c\/h1\u003e\n\u003cul\u003e\n\u003cli\u003eThis complete demonstration set mainly consists of transparent iron powder storage container and matched permanent magnet, specially developed for standard middle school physics magnetism curriculum verification experiments.\u003c\/li\u003e\n\u003cli\u003eThe magnetic field display box is manufactured from high-transparency plastic with rectangular inner cavity pre-filled with quantitative fine iron filings for field pattern observation.\u003c\/li\u003e\n\u003cli\u003eTilt and adjust the placement angle of the plastic box freely to drive internal iron filings shift and rearrange following the surrounding magnetic field distribution.\u003c\/li\u003e\n\u003cli\u003eIt serves as standard classroom teaching equipment and physics lab accessory to turn invisible magnetic induction lines into visible patterned arrangement via iron powder magnetization characteristics.\u003c\/li\u003e\n\u003cli\u003eAfter placing the magnet inside the box, dispersed iron particles get magnetized into tiny miniature magnets and align end-to-end to visually outline the actual layout of surrounding magnetic field lines.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"BrightMinds","offers":[{"title":"Default Title","offer_id":47690097262676,"sku":"SPH-B0H6WJ61M8","price":74.71,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0655\/3590\/1780\/files\/41A2JUKb77L._AC_SL1500.jpg?v=1789644922","url":"https:\/\/learnbrightminds.com\/products\/b0h6wj61m8","provider":"BrightMinds","version":"1.0","type":"link"}