Super Big Bertha Model Rocket Kit, Pro Series II making the Radian even easier

making the Radian even easier for more people to fly in more places

G is a stunning kit in its own right

bind it to your compatible Spektrum™ transmitter and you're ready to fly

and tiger striped self-stick decals make building this rocket easy to do in about an hour

Super Big Bertha Model Rocket Kit, Pro Series II making the Radian even easierMeet the Super Big Bertha, featuring a BT80 (2. 6 in 66 mm) diameter body tube for your building enjoyment. Standing over 36 inches tall, the Super Big Bertha comes with the quick release motor retention system just as the other Pro Series kits do. (9750 Motor Retainer Set is also sold separately). Construction of this kit is not difficult and the altitudes you will reach are very impressive! Building and finish work can easily be accomplished over a