This is a 24 bulk pack of Estes A8-3 model rocket engines. New $46.09 (35% off). Includes 24 engines, 30 igniters, and recovery wadding. Features: * A-Class model rocket engine 24 bulk pack. * 6 extra igniters included. * Wadding included. * Single stage model rocket motor. * Detailed instructions. * Easy to use. * National Association of Rocketry certified.

This is a 24 bulk pack of Estes B6-4 model rocket engines. New $46.79 (35% off). Includes 24 engines, 30 igniters, and recovery wadding. Features: * B-Class model rocket engine 24 bulk pack. * 6 extra igniters included. * Wadding included. * Single stage model rocket motor. * Detailed instructions. * Easy to use. * National Association of Rocketry certified.

This is a D12-5 D-class single stage model rocket engine designed to launch model rockets. New $11.69 (33% off). Features: * D-class model rocket engine pack. * Single stage model rocket motor. * Detailed instructions. * Easy to use. * National Association of Rocketry certified.

This is a E9-6 E-class single stage model rocket engine designed to launch model rockets. New $15.99 (33% off). Features: * E-class model rocket engine pack. * Single stage model rocket motor. * Detailed instructions. * Easy to use. * National Association of Rocketry certified.

This is a D12-3 D-class single stage model rocket engine designed to launch model rockets. New $11.69 (33% off). Features: * D-class model rocket engine pack. * Single stage model rocket motor. * Detailed instructions. * Easy to use. * National Association of Rocketry certified.

This is a E9-4 E-class single stage model rocket engine designed to launch model rockets. New $15.99 (33% off). Features: * E-class model rocket engine pack. * Single stage model rocket motor. * Detailed instructions. * Easy to use. * National Association of Rocketry certified.

This is a C6-7 C-class single stage model rocket engine designed to launch model rockets. New $7.89 (33% off). Features: * C-class model rocket engine 3 pack. * Single stage model rocket motor. * Detailed instructions. * Easy to use. * National Association of Rocketry certified.

This is a D12-0 D-class model rocket booster engine used for launching multi-stage model rockets. New $11.69 (33% off). Features: * D-class model rocket booster engine 3 pack. * Used as booster stage for multi-stage model rockets. * Detailed instructions. * Easy to use. * National Association of Rocketry certified.

This is a C6-0 C-class model rocket booster engine used for launching multi-stage model rockets. New $7.89 (33% off). Features: * C-class model rocket booster engine 3 pack. * Booster stage model rocket motor. * Detailed instructions. * Easy to use. * National Association of Rocketry certified.

This is an A-class A10-3T mini model rocket engine from Estes. New $6.89 (33% off). For use in single stage model rockets. Features: * "Mini" class model rocket engine 4 pack. * Single stage model rocket motor. * Detailed instructions. * Easy to use. * National Association of Rocketry certified.

This is a B4-4 B-class single stage model rocket engine designed to launch model rockets. New $6.79 (37% off). Features: * B-class model rocket engine 3 pack. * Single stage model rocket motor. * Detailed instructions. * Easy to use. * National Association of Rocketry certified.

This is a D12-7 D-class single stage model rocket engine designed to launch model rockets. New $11.69 (33% off). Features: * D-class model rocket engine pack. * Single stage model rocket motor. * Detailed instructions. * Easy to use. * National Association of Rocketry certified.

This is a C6-3 C-class single stage model rocket engine designed to launch model rockets. New $7.89 (33% off). Features: * C-class model rocket engine 3 pack. * Single stage model rocket motor. * Detailed instructions. * Easy to use. * National Association of Rocketry certified.

This is an A-class A3-4T single use mini model rocket engine from Estes. New $6.89 (33% off). For use in single stage model rockets. Features: * "Mini" class model rocket engine 4 pack. * Single stage model rocket motor. * Detailed instructions. * Easy to use. * National Association of Rocketry certified.

This is a E9-8 E-class single stage model rocket engine designed to launch model rockets. New $15.99 (33% off). Features: * E-class model rocket engine pack. * Single stage model rocket motor. * Detailed instructions. * Easy to use. * National Association of Rocketry certified.

This is a C11-3 C-class single stage model rocket engine designed to launch model rockets. New $7.89 (33% off). Features: * C-class model rocket engine 3 pack. * Single stage model rocket motor. * Detailed instructions. * Easy to use. * National Association of Rocketry certified.

This [[Model Rocket Motor Reload Kit Includes One G-class G64-7W Reloadable Motor Systems for RMS 29/40-120 Motor Hardware, Designed by Aerotech. New $10.69 (33% off). Federal Law Prohibits the Sale of This Product to Persons Under Age 18. Features: * For use in RMS 29mm E, F, G motor. * Primary use in single stage rockets. * They deliver power at the lowest per flight cost available in hobby rocketry. * White Lightning looks and sounds like actual sounding rockets and launch vehicles. * White Lightning propellant formulation: a br

This is a 2-Pack F20-4W (White Lightning) Econojet Model Rocket Engine from Aerotech. New $26.69 (33% off). It's recommended for ages 16 and older. Features: * Used with single stage rockets. * Recommended motor matrix: Initiator, HV Arcas, Strong Arm, Wart-Hog. * Compact motor comes with directions and specifications. * Contains two copperhead igniters.

This Model Rocket Motor Reload Kit Includes One G-class G64-4W Reloadable Motor Systems for RMS 29/40-120 Motor Hardware, Designed by Aerotech. New $10.69 (33% off). Federal Law Prohibits the Sale of This Product to Persons Under Age 18. Features: * For use in RMS 29mm E, F, G motor. * Primary use in single stage rockets. * They deliver power at the lowest per flight cost available in hobby rocketry. * White Lightning looks and sounds like actual sounding rockets and launch vehicles. * White Light

This is a 1/2A6-2 1/2A-class single stage model rocket engine designed to launch model rockets. New $6.89 (33% off). Features: * Single stage model rocket engine. * Detailed instructions. * Easy to use. * National Association of Rocketry certified.