{"product_id":"simple-machines-pulley","title":"Simple Machines Pulley","description":"When a cord is run over a pulley, the direction of the applied force is changed. This is a very useful principle in many different machines, and a basic principle that shows up again and again in physics classes. This device lets students explore and understand this basic principle. 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":44318163599413,"sku":"ERSCTU506","price":24.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0661\/5180\/9077\/files\/ERSCTU506.jpg?v=1738871759","url":"https:\/\/esschoolsupply.com\/products\/simple-machines-pulley","provider":"ES School Supply","version":"1.0","type":"link"}