{"product_id":"estes-rockets-e12-4-engines-est10029","title":"Estes Rockets E12-4 Engines EST10029","description":"\u003cp\u003eThe Estes E12-4 is a powerful 24mm engine designed for reliable model rocket flights. With 30.00 N-sec of total impulse and a 4-second delay, it provides a strong, balanced boost for mid-size rockets while ensuring smooth, realistic flight sequences.\u003c\/p\u003e\n\u003cp\u003ePerfect for rockets up to 17 ounces, the E12-4 delivers both power and precision for single stage and upper stage flights. A dependable choice for hobbyists who want excitement, altitude, and consistent performance in every launch.\u003c\/p\u003e\n\u003cdl\u003e\n\u003cdt\u003eIncludes:\u003c\/dt\u003e\n\u003cdd\u003e- 2 E12-4 Engines\u003c\/dd\u003e\n\u003cdd\u003e- 2 Starters\u003c\/dd\u003e\n\u003cdd\u003e- 4 Starter Plugs\u003c\/dd\u003e\n\u003c\/dl\u003e","brand":"Estes Rockets","offers":[{"title":"Default Title","offer_id":43400427503704,"sku":"EST10029","price":27.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0683\/7433\/1480\/files\/image_e32212b5-a309-4a3c-8edf-8ea2f53444c3.png?v=1763657665","url":"https:\/\/www.aueracehobbies.com\/products\/estes-rockets-e12-4-engines-est10029","provider":"Auer Ace Hobbies","version":"1.0","type":"link"}