{"product_id":"2940015936834","title":"Belt Drive Model","description":"These are the step-by-step instructions for a simple  LEGO pulley-belt model. This model demonstrates pulleys and belts, and is appropriate for the classroom. Students can connect input pulleys to output pulleys using a rubber band as a belt.\u003cbr\u003eThe input may be a small pulley or a medium pulley, with the associated output being either a  small pulley or a medium pulley. This awesome model can serve as a base for a belt drive robot!   This model utilizes common LEGO components. \u003cbr\u003e\u003cbr\u003eGet a move on and start building!","brand":"Brick Banana","offers":[{"title":"Default Title","offer_id":47147927109872,"sku":"2940015936834","price":3.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0737\/7593\/9824\/files\/2940015936834_p0.jpg?v=1763626832","url":"https:\/\/shop-qa.barnesandnoble.com\/products\/2940015936834","provider":"Barnes \u0026 Noble (DEV)","version":"1.0","type":"link"}