![EST-9719 Estes Pro Series II Super Big Bertha Advanced Model Rocket Kit (29mm Engine) [9719]](http://ultimatehobbies.com.au/cdn/shop/files/EST-9719_{width}x.jpg?v=1716356504)
![EST-9719 Estes Pro Series II Super Big Bertha Advanced Model Rocket Kit (29mm Engine) [9719]](http://ultimatehobbies.com.au/cdn/shop/files/EST-9719_1024x.jpg?v=1716356504)
Description
Pro Series II
The Pro Series II line just got a new member! Meet 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 Berthacomes with the quick release motor retention systemjust 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 few days. AND did we mention its a bring back from around 1990?