Estes Rockets - Big Bertha Model Rocket Kit, Skill Level 1 Replacement Parts Car and Truck Differential Components The body has dimple marks

The body has dimple marks for Savage XL body post drill locations

and is based upon the front motor FM-A chassis

Includes 2mm and 3mm chrome molybdenum punch bits (x1 each)

SCX10 or AX10 series trucks

Estes Rockets - Big Bertha Model Rocket Kit, Skill Level 1 Replacement Parts Car and Truck Differential Components The body has dimple marksBig Bertha is an Estes original! She's an all around Estes favorite that has truly withstood the test of time. Over the decades, Big Bertha has been most modelers' first big build. If you've never flown a Bertha, get one and launch it. Once you've flown it, you'll take it to every launch! The Big Bertha gives you a slow, realistic liftoff. What a thrill it is to watch! Propelled by powerful standard Estes engines, this beauty travels to 500 feet and