Estes Boosted Bertha

How do you think the Estes Boosted Bertha rocket got its name?!

This multistage flying model rocket reaches greater altitude than the Big Bertha alone, thanks to an added booster stage pushing it skyward.

• Length: 28.2"
• Diameter: 1.64:
• Weight: 4oz

Recommended Engines:

• Upper stage: A8-3, B4-4, B6-2, B6-4, C6-5 (1000ft)
• Booster stage: B6-0, C6-0