{"product_id":"3mm-steel-balls-100-pack","title":"3mm Steel Balls - 100-Pack","description":"\u003cdiv\u003e3mm Steel Balls - 100-Pack for Magnetic Field Demonstrations and Science Projects\u003cp\u003e ✔️ 3 mm polished steel balls, pack of 100 for magnet demos and experiments \u003c\/p\u003e \u003cp\u003eThese 3 mm steel balls are polished spheres designed for magnetic field demonstrations and science projects. Use them as a substitute for iron filings to visualize magnetic fields, forming clusters and chain-like structures between unlike poles. Sold as a pack of 100, they’re handy for classroom demos, maker projects, and hobby experiments.\u003c\/p\u003e ✅ Diameter: 3 mm polished steel spheres\u003cbr\u003e ✅ Material: high-polish steel with smooth finish\u003cbr\u003e ✅ Pack size: 100 balls per pack\u003cbr\u003e ✅ Applications: magnetic field demos, magnet experiments\u003cbr\u003e ✅ Visualization: substitute for iron filings in field demos\u003cbr\u003e 💡 What are steel balls used for in magnetic field demonstrations? These balls help visualize magnetic fields in a simple, hands-on way. - Handy for classroom experiments and demos - Visualize magnetic field lines between poles - Substitutes iron filings for neater demonstrations - Great for science projects and maker demos These handy steel balls deliver clear, repeatable magnetic field visuals for classrooms, labs, and hobbyists. \u003c\/div\u003e","brand":"Bearings Canada","offers":[{"title":"Default Title","offer_id":47744766869722,"sku":"VXB073WKYV7C","price":47.57,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0814\/2674\/3514\/files\/3mm-steel-balls-100-pack-magnet-projects.jpg?v=1775750461","url":"https:\/\/hfbearings.ca\/products\/3mm-steel-balls-100-pack","provider":"H\u0026F Bearings","version":"1.0","type":"link"}