{"product_id":"simple-machines-screw","title":"Simple Machines Screw","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\u003e\u003cbr\u003eKey Features : \u003cbr\u003e\u003cbr\u003ei : Illustrate the principle behind the operation of a simple machine.\u003cbr\u003eii : Learn basic physics principals in a direct, hands-on fashion.\u003cbr\u003eiii : Model contains a detailed activity guide which includes the history of the model, practical applications and classroom experiments.\u003cbr\u003eiv : Handcrafted from replenishable and durable rubber wood, an eco-friendly sustainable and high quality hardwood.\u003cbr\u003e","brand":"Learning Advantage®","offers":[{"title":"Default Title","offer_id":44318164058165,"sku":"ERSCTU505","price":19.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0661\/5180\/9077\/files\/ERSCTU505.jpg?v=1738871765","url":"https:\/\/esschoolsupply.com\/products\/simple-machines-screw","provider":"ES School Supply","version":"1.0","type":"link"}