1/2A3-4T Engine Bulk Pack (24pk)

Engine bulk packs come with all the model rocket engine supplies you need to launch 24 rockets. Included are 24 model rocket engines, 30 starters, 24 starter plugs and 75 squares of recovery wadding. Use the 1/2A3-4T engine to launch the UP Aerospace SpaceLoft bulk pack rockets.

A8-3 Engine Bulk Pack (24pk)

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 for launching.

B6-0/B6-6 Engine Bulk Pack (24pk)

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 bulk packs are convenient and include everything your students need to prepare their rockets for launching.

B6-4 Engine Bulk Pack (24pk)

The B6-4 is a medium impulse engine that delivers high altitude flights. It works great for launching larger, heavier rockets, too. Estes engine bulk packs are convenient and include everything your students need to prepare their rockets for launching.

Blast Off Flight Pack

A great assortment and it comes with our top selling engines. 6 – A8-3 Engines 6 – B6-4 Engines 6 – C6-3 Engines 6 – C6-5 Engines 30 starters 75 Sheets Recovery Wadding

C11-3 Engine Bulk Pack (12pk)

Estes engine bulk packs are convenient and include everything your students need to prepare their rockets for launching.

C6-5 Engine Bulk Pack (24pk)

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 packs are convenient and include everything your students need to prepare their rockets for launching 24 rockets.