Skill Level 1 IntermediateThe Big Bertha is burly, big, and beautiful! Over the decades this is the first large (two feet tall) model rocket for many
The Baby Bertha is a half-sized version of one of Estes' most popular rockets, the Big Bertha. The Baby Bertha stands just 13 inches making it an
Estes Baby Bertha Flying Model Rocket Kit
Super Big Bertha Rocket - Estes Rockets
Boosted Bertha - 1946 - Hub Hobby
a list of rockets that estes rockets should reprint, by Doc Burford
Model Rocketry - Model Rocket Kits - Skill Level 1 Model Rocket
Baby Bertha – Awesome Toys Gifts
Estes Crossfire ISX Model Rocket Kit, Skill Level 1 - Small Addictions RC
Big Bertha - Rocksim Design File
Estes Flying Model Rocket Kit Big Bertha 1948
Estes Flying Model Rocket Kit Big Bertha EST 1948
Estes Baby Bertha Rocket - Estes Rockets
Boyce Aerospace Hobbies Estes Rockets Boosted Bertha Kit – Boyce Aerospace Hobbies, LLC