{"product_id":"national-geographic-4-cylinder-engine-building-kit-working-model-for-kids","title":"National Geographic 4-Cylinder Engine Building Kit Working Model for Kids","description":"\u003cp\u003eA fun DIY engineering toy engine that shows how pistons, valves, and gears really move. BUILD YOUR OWN ENGINE – Assemble a clear 4-cylinder engine model kit with 175+ durable pieces. WORKING MODEL ENGINE – Install 3 AA batteries (not included), press start, and see this visible engine model kit come to life as pistons, valves, and gears move just like a real car engine.\u003c\/p\u003e","brand":"MoonNSixpence Books","offers":[{"title":"Default Title","offer_id":46560014729263,"sku":"B0FR7SHTT5","price":109.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0780\/0455\/1727\/files\/B0FR7SHTT5.jpg?v=1791248172","url":"https:\/\/www.moonnsixpencebooks.com\/products\/national-geographic-4-cylinder-engine-building-kit-working-model-for-kids","provider":"MoonNSixpence Books","version":"1.0","type":"link"}