{"product_id":"simple-machines-screw-pack-of-2","title":"Simple Machines Screw (Pack of 2)","description":"The screw, another of the simple machines, converts a circular motion (the turning of the screw) into a linear motion. It also lets you amplify the force a great deal, since turning the screw only moves the end of the screw a small amount. This classic wooden model offers children a basic concept of the laws of physics. Desktop sized.\u003cbr\u003eProduct Type: Simple Machines\u003cbr\u003eRecommended Grade: Grade 4+\u003cbr\u003eRecommended Age: 9+ Years\u003cbr\u003e GRP:ERGO","brand":"Learning Advantage","offers":[{"title":"Default Title","offer_id":45519255634152,"sku":"er_CTU505","price":47.77,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0242\/5379\/2308\/products\/4195f25aa77d30c56a8af45605499aa55fdcfe24.jpg?v=1709124824","url":"https:\/\/www.shelhealth.com\/products\/simple-machines-screw-pack-of-2","provider":"ShelHealth","version":"1.0","type":"link"}