Estes Big Bertha Model Rocket Kit, Skill Level 1 - EST1948 Underworlds Tire Width/Diameter: 24/64mm (Front &

Tire Width/Diameter: 24/64mm (Front & Rear)

for awesome wheelie action and roost-tossing wheelspins

(2) Bumper Brackets

Comes complete with blast deflector

8mm) or raise it up to 3/8" (9

Estes Big Bertha Model Rocket Kit, Skill Level 1 - EST1948 Underworlds Tire Width/Diameter: 24/64mm (Front &Big 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