Pro Series II Rocket Engines
The Estes Pro Series II model rocket engines are state of the art composite rocket motors that are developed by Aerotech. These rocket engines are designed to propel the Pro Series II model rocket kits well over 1,000 feet into the sky. Don't be the last of your friends to get these new, one of a kind model rocket engines. With power like this your model rocket is sure to be the talk of the launch.