• Regular price $104.95

Turn your Mini-BBX into a real, high-flying two stage rocket. This is a very close scale replica of the bottom stage of the Black Brant X sounding rocket. Slip it under the PML Mini-BBX and you will have the complete, scale rocket! You can easily double the altitude and have the thrill of two stage flying without all the usual guesswork of a "standard" or scratch-built two-stage rocket. (We recommend the CPR version of the MiniBBX as the best for the Terrier. This is due to the tremendous altitu