• Includes a total of 9 genuine Estes model rocket engines in A8-3, B4-4, and C6-5 configurations
• Variety pack allows experimentation with different thrust levels and flight characteristics
• Compatible with many Estes and other model rockets designed for standard-size engines
• Manufactured to strict quality standards for reliable ignition and consistent performance
• Ideal for hobbyists, STEM education, model rocketry clubs, and recreational launches

The Estes A8-3, B4-4, and C6-5 Model Rocket Engine Bulk Pack provides a versatile assortment of rocket motors suitable for a wide range of model rocket launches and skill levels. This convenient pack includes a total of nine genuine Estes engines, allowing hobbyists to experiment with different thrust levels, flight profiles, and rocket designs. The A8-3 engines are ideal for smaller rockets and lower-altitude flights, while the B4-4 and C6-5 engines offer increased power and altitude potential for larger models. Manufactured to Estes' strict quality standards, these engines are designed for use with compatible model rockets and provide reliable ignition and performance for educational, recreational, and competitive rocketry activities.