{"product_id":"estes-b4-4-engines","title":"Estes B4-4 Engines EST10019","description":"\u003cp\u003eThe Estes B4-4 is a reliable, single-stage 18 mm engine designed for model rockets weighing under 3.5 ounces. With a balanced 4-second delay, it's a perfect fit for smooth, stable flights and consistent recovery deployment.\u003c\/p\u003e\n\u003cp\u003eEach 3-pack includes three engines, four starters, and four starter plugs; everything you need for several successful launches. Ideal for hobbyists and STEM projects alike, the B4-4 delivers steady performance with every flight.\u003c\/p\u003e\n\u003cdl\u003e\n\u003cdt\u003eIncludes:\u003c\/dt\u003e\n\u003cdd\u003e3 × B4-4 Engines\u003c\/dd\u003e\n\u003cdd\u003e4 × Starters\u003c\/dd\u003e\n\u003cdd\u003e4 × Starter Plugs\u003c\/dd\u003e\n\u003c\/dl\u003e","brand":"Estes","offers":[{"title":"Default Title","offer_id":49145188155648,"sku":"EST10019","price":8.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0613\/6453\/5552\/files\/010019-B4-4-Bag.webp?v=1786132275","url":"https:\/\/fusionscalehobbies.com\/products\/estes-b4-4-engines","provider":"Fusion Scale Hobbies","version":"1.0","type":"link"}