Estes 1/2A3-4T Engine Bulk Pack This item is limited to quantities on hand. Once in-stock quantities sell out this item will no longer be available. Engine bulk packs come with all the rocket engine supplies you need to launch 24...

Estes A8-3 Engine Bulk Pack This item is limited to quantities on hand. Once in-stock quantities sell out this item will no longer be available. An A8-3 engine is your best bet for students to launch their rockets and see...

Estes B6-0/B6-6 Engine Bulk Pack This item is limited to quantities on hand. Once in-stock quantities sell out this item will no longer be available. This two engine combo pack is to be used with two stage rockets. The B6-0...

Estes Blast-Off® Flight Pack This item is limited to quantities on hand. Once in-stock quantities sell out this item will no longer be available. ENGINES FOR MODEL ROCKETS. A great assortment that includes top selling Estes engines: 6x A8-3 Engines...

Estes E12-6 Engine - 3 Pack This item is limited to quantities on hand. Once in-stock quantities sell out this item will no longer be available. About: The Estes E12-6 engine is a 24mm diameter upper stage engine designed for...

Estes D12-5 Engine - 2 Pack This item is limited to quantities on hand. Once in-stock quantities sell out this item will no longer be available. About: The Estes D12-5 engine is a single stage engine designed for model rocket...

Estes 1/2A3-2T Engine - 4 Pack This item is limited to quantities on hand. Once in-stock quantities sell out this item will no longer be available. About: The Estes A3-4T engine is single stage engine designed for model rocket flight....

Estes 1/2A3-2T Engine - 4 Pack About: The Estes 1/2A3-2T engine is single stage engine designed for model rocket flight. This engine is a mini engine designed for flights in lightweight rockets. Each package includes 4 engines, 4 starters and...