Estes C11-3 Standard Engine (3)
... a 3-Pack of Estes C11-3 Model Rocket Engines
. For ages 10 and up
. FEATURES: National Association of Rocketry certified. Single stage engines
. C11's have a higher average and peak thrust ... extremely reliable. Includes igniters and plugs. Carded packaging. INCLUDES: Three Estes C11-3 Model Rocket Engines
. REQUIRES: Adult Supervision Model Rocket SPECS: Length: 2-3/4" (7.0cm) Diameter: 1 ...