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Cosmic Cascade™Two Stages, Endless Discoveries The Cosmic Cascade brings the thrill of two stage rocket launches to students, offering a hands on opportunity to explore advanced concepts in physics and aerodynamics. Launch the first stage alone to see how it performs, then add the second stage for even more impressive heights. This modular approach allows students to observe and compare the mechanics and effects of multi stage flight. Quick and Easy Assembly Say

This engine is best suited for lightweight model rockets designed to take advantage of its extended coast time and high-performance lift capacity

Big Bertha® is one of Estes’ most enduring designs and has introduced generations of students to the thrill of model rocketry

Estes designed a detailed model of this cryptic craft

BT-50 engine mounting tube in a BT-60 diameter main rocket body tube

high-performance power

The Gemini program represents the moment American spaceflight moved from early experimentation into real operational capability

gaining firsthand experience with scientific methods

fin shapes

Estes engines are manufactured for consistent ignition

Backed by Estes’ reputation for quality and dependable performance

visual instructions

Its lightweight spiral wound paper construction allows students to build rockets that demonstrate key principles of aerodynamics while maintaining durability for repeated launches

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