
EST9720 Estes Pro Series II™ Doorknob Flying Model Rocket Kit
Rocket Kit Overview:
Step back into Cold War science with the Estes Pro Series II™ Doorknob rocket, a thrilling, scale-accurate model inspired by 1950s nuclear test research. This powerful flyer blends historical significance with high-altitude performance for an unforgettable launch experience.
Historical Science Tribute
The Estes Pro Series II™ Doorknob is a 1:5.3 scale replica of the iconic rockets used in 1950s nuclear testing research. Originally developed to measure radioactive fallout effects at 50-mile altitudes, this rocket honors the scientific legacy of the Hardtack Series and Cold War-era experimentation with an accurate, advanced-level model that is both educational and exhilarating.
Custom Build Experience
Designed for advanced builders, the Doorknob rocket is simple to construct and exciting to launch, reaching up to 1,100 feet. It includes two decal sets, one for scale accuracy and one for sport-style customization, making it a perfect blend of history, performance, and personal flair. Free waterslide decals are included for a limited time.
Features:
- Replica scale model of the original Doorknob rocket
- Based on rockets used in 1950s nuclear testing research
- Flies up to 1,100 feet in altitude
- Simple and fun to build and launch
- Comes with two decal sets for customization
- Captures historical and educational value
- Great for both sport and scale rocket fans
- Limited-time offer includes free waterslide decals