{"product_id":"iron-filings-variety-pack-of-3","title":"Iron Filings Variety, Pack of 3","description":"Go beyond standard iron filings! Get three different results in your STEAM magnetism experiments! Includes three jars, each with a different particle size of iron filings: FINE\/100 mesh, MEDIUM\/40 mesh, and COARSE\/20 mesh. Each jar features a convenient, twist-top shaker lid with four options (sprinkle, sprinkle more, pour, or screw off the entire top). Reusable--put clean filings back into the jar. Each pack includes three jars (12 oz each of 100% pure iron) plus an activity sheet with 5 cool STEAM activities. Shrink wrapped to prevent spills in stores and shipping.","brand":"Dowling Magnets®","offers":[{"title":"Default Title","offer_id":49324976341269,"sku":"DO-731050","price":33.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0857\/4897\/3845\/files\/b5bcb6760bc3da53f307a9fc908d07c77021f3fa.jpg?v=1758232751","url":"https:\/\/unitedsupplycorp.com\/products\/iron-filings-variety-pack-of-3","provider":"United Supply Corp.","version":"1.0","type":"link"}