{"product_id":"2940016469720","title":"3 Gear Trains","description":"Do you have piles of pieces and parts and need a new project? This is a series of step-by-step building plans for three gear trains ( in order: 8:1, 9:1 and 125:1 reductions). Each gear train utilizes different gear pairs and can be integrated into a wide variety of projects. These fun models \u003cbr\u003ecan be put together very quickly. You probably have these parts laying around \u003cbr\u003ethe house. This is a great way to get the whole family building together! \u003cbr\u003e\u003cbr\u003eGet a move on and start building! Another fine plan by Brick Banana!","brand":"Brick Banana","offers":[{"title":"Default Title","offer_id":47146807984368,"sku":"2940016469720","price":3.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0737\/7593\/9824\/files\/2940016469720_p0.jpg?v=1763636420","url":"https:\/\/shop-qa.barnesandnoble.com\/products\/2940016469720","provider":"Barnes \u0026 Noble (DEV)","version":"1.0","type":"link"}