Estes Pro Series II Doorknob Scale Model Pro Series II These imagined vehicles would land

These imagined vehicles would land solely as aircraft

The removable plastic display engine nozzle allows you to proudly display your model rocket

Requires CA glue for assembly

this model rocket can soar over 700 feet for a exciting flight experience

easy-to-handle parts with authentic scale details

Estes Pro Series II Doorknob Scale Model Pro Series II These imagined vehicles would landThe Pro Series II Doorknob rocket is the perfect addition to any rocket enthusiast's collection. It is a 1: 5. 3 scale model of the single and two stage Doorknob rockets used by scientists in the 1950s to measure the effects of radioactivity from nuclear testing. The rocket is designed to be both fun and simple to build and fly, making it suitable for rocket enthusiasts of all skill levels. The Doorknob rocket played an essential role in collecting