Estes 1948 - Intermediate - Big Bertha Rocket Kit

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Recommended Engines: B4-2, B4-4, B6-2, B6-4, C6-5 Projected Max Altitude: 500 ft. (152 m) Slow realistic liftoff Large 18 in. parachute The Big Bertha gives you a slow, realistic l iftoff. What a thrill it is to watch! Propelled by powerful Estes standard model rocket engines, this beauty travels to 500 feet. In one afternoon your Bertha is ready for an exciting time at the launch field! Show more