Estes Pro Series II Doorknob (9720)

$49.99

There’s no thrill quite like launching a model rocket, watching it streak skyward, reach peak altitude, and then return gently to earth. When you build them, the thrill is even better than ever. Thanks to Estes model rocketry, kids can explore the wondrous world of science while experimenting with different combinations of rockets, engines and accessories to better understand how rockets reach outer space.
SKILL LEVEL: The Doorknob is a Pro Series II level rocket, great for those with extreme building and launching skills.
RECOMMENDED ENGINES: E16-4, F15-4, F15-6w/Engine Adapter (sold separately) - D12-3
PROJECTED ALTITUDE: 1100 ft. (335 m) on a F15-6
ESTIMATED ASSEMBLY TIME: 3-4 Hours (glue drying time not included)