Estes Boosted Bertha Model Rocket Kit - EST1946 70625 Molded in our extremely tough

Molded in our extremely tough and durable engineering grade nylons

ensuring no foe escapes their fiery wrath

Leave the weight out if you want the front light

Cleary marked trim lines and body characteristics

Estes Boosted Bertha Model Rocket Kit - EST1946 70625 Molded in our extremely toughA sport rocket at its core, the second booster of this multistage flying model rocket will push this Bertha skyward, reaching twice the height of Big Bertha. The Boosted Bertha will reach altitudes of 1000 feet when powered with an Estes C6 0 engine in the booster stage and an Estes C6 5 engine in the main rocket. After the first stage ignites, the booster jettisons and gently tumbles back to earth. Once the rocket reaches apogee, the rocket will