{"product_id":"gear-rack-wooden-model","title":"Gear Rack Wooden Model","description":"This principle is behind the operation of many everyday items, such as the \"rack and pinion\" system that steers a car. This classic wooden model offers children a basic concept of the laws of physics. Desktop sized with a length of 15-3\/8\" and a gear diameter of 4-3\/4\" outside diameter (4-1\/8\" inside grooves of teeth).","brand":"Learning Advantage","offers":[{"title":"Default Title","offer_id":49962506780949,"sku":"CTU503","price":29.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0857\/4897\/3845\/files\/438b67aa4cf0fc8dccab6499fba2b5e33d30f2c1.jpg?v=1781079305","url":"https:\/\/unitedsupplycorp.com\/products\/gear-rack-wooden-model","provider":"United Supply Corp.","version":"1.0","type":"link"}