This is a single model rocket motor packaged for retail sale. It is made of pasteboard and contains non-explosive propellant. A motor is used only once to power a model rocket. The Centar Za Vazduhoplovno Modelarstvo firm in the former Yugoslavia manufactured them.
G. Harry Stine donated this artifact to the Museum in 1973.
This object is not on display at the National Air and Space Museum. It is either on loan or in storage.