Estes 1606PK3 B6-4 Model Rocket Engines, 3 Packs – 9 Engines Total with Starters & Plugs Size: X-Small

Size: X-Small

Future manuals will feature instructions for both types of motors

TTL Logic "1" (HI LED): >2

multi-function socket

Estes 1606PK3 B6-4 Model Rocket Engines, 3 Packs – 9 Engines Total with Starters & Plugs Size: X-SmallPLEASE NOTE: These are 18mm diameter engines. Please refer to the instructions that came with your rocket (or the rocket's product description) to determine engine compatibility. 3 Packs of Estes B6 4 engines total of 9 engines (each pack includes 3 engines, 4 starters, and 4 starter plugs) The B6 4 is a single stage engine that delivers high altitude flights Recommended for use with the Rascal & HiJinks, Hi Flier, AstroCam, Tandem X, or other