Estes 1781 A8-3 Engine Bulk Pack (24) EST1781

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A8-3 Engine Educator Pk HAZ (24) Overview Estes offers several rocket engine bulk packs in four total impulse ranges. These packs may be used with the rockets listed on our Web Sit e or other Estes rockets. The description of each kit lists recommended engines. Select your engines based on these recommendations. Bulk packs are convenient and include everything your students will need to prepare their rockets for flights.Model Rocket Engine Bulk Packs include:1) 24 rocket engines2) 30 model rocket igniters3) 24 reusable igniter plugs4) 75 - 4.5 in. (11.4 cm) squares of recovery wadding, enough for approximately 25 launches. Show more