{"product_id":"set-of-18-density-blocks","title":"Set Of 18 Density Blocks","description":"Excellent for experimenting with density and volume. Includes 10 mm cube, 20 mm cube, and 30 mm x 20 mm x 10 mm block of six metals: aluminum, brass, copper, lead, steel, and zinc. WARNING: Choking Hazard. Small Parts. Not for children under 3 yrs","brand":"Supertek Science","offers":[{"title":"Default Title","offer_id":49978149798165,"sku":"SPSPH10051A","price":76.69,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0857\/4897\/3845\/files\/PH10051A-1-e1737735744352.jpg?v=1781570603","url":"https:\/\/unitedsupplycorp.com\/products\/set-of-18-density-blocks","provider":"United Supply Corp.","version":"1.0","type":"link"}