Estes B6-4 Engine Bulk Pack Estes model rocket engine bulk packs are available in four total impulse ranges: ½A (mini engine), A, B or C (standard engines). These packs may be used for the rocket bulk packs or other Estes...

Estes C6-5 Engine Bulk Pack Want to pack some real power? The C6-5 is your engine! This C engine is the highest impulse engine in a bulk pack. This engine will send students' rockets out of site! Estes engine bulk...

Estes A8-3 Engine Bulk Pack An A8-3 engine is your best bet for students to launch their rockets and see the entire flight profile. Estes engine bulk packs are convenient and include everything your students need to prepare their rockets...

Estes B6-0/B6-6 Engine Bulk Pack This two engine combo pack is to be used with two stage rockets. The B6-0 is a booster engine that has no delay or ejection charge. The B6-6 is the upper stage engine. Estes engine...

Estes Blast-Off® Flight Pack ENGINES FOR MODEL ROCKETS. A great assortment that includes top selling Estes engines: 6x A8-3 Engines 6x B6-4 Engines 6x C6-3 Engines 6x C6-5 Engines 30x starters 75x Sheets Recovery Wadding   Please see individual product...