{"product_id":"pulley-demonstration-set-large","title":"Pulley Demonstration Set, Large","description":"The Pulley Demonstration Set is designed to illustrate the working principle of simple machines. From the wheels on a bicycle to the gears in a car, the Pulley Demonstration System helps explain how things work. It helps students to understand the concepts of mechanical advantage, the efficiency of fixed and moveable pulleys, etc. Students perform quantitative experiments on fixed and moveable pulleys, trains of fixed and moveable pulleys, the wheel and axle, and the capstan, etc.\u003cbr\u003eThe set includes:","brand":"Supertek Science","offers":[{"title":"Default Title","offer_id":49978151633173,"sku":"SPSPH10402","price":485.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0857\/4897\/3845\/files\/PH10402.jpg?v=1781570700","url":"https:\/\/unitedsupplycorp.com\/products\/pulley-demonstration-set-large","provider":"United Supply Corp.","version":"1.0","type":"link"}