Estes Flying Model Rocket Kit Cosmic Ray, Single Bulk Pack Kit, No fancy packaging EST 1112Bk
Bring excitement and discovery to your classroom with the Estes Cosmic Ray® Bulk Pack! Designed especially for beginners, this easy-to-launch rocket features a striking Teal and Gold color scheme and assembles quickly without complicated tools or materials. Each student can customize their rocket’s blank body tube to create a design that’s uniquely their own, adding creativity to every launch.
The Cosmic Ray® provides a fun and engaging way to introduce key STEM concepts like aerodynamics, thrust, and recovery systems. With simple snap-together construction, students experience hands-on learning from build to flight, making this rocket a classroom favorite for teachers and youth leaders alike.
- SKILL LEVEL: Beginner
- RECOMMENDED ENGINES: A8-3, A8-5, B4-4, B6-4, B6-6, C6-5, C6-7
- PROJECTED ALTITUDE: 1325 ft. (404 m)
The Cosmic Ray® is the perfect starting point for students new to model rocketry. Its simple assembly and durable design make it ideal for classroom use, allowing every student to build and launch with confidence. Each rocket features a blank white body tube ready for decoration, encouraging creativity alongside STEM learning.
Hands-On Learning That Lifts Off
With the Cosmic Ray®, students don’t just watch science—they experience it. From assembling the rocket to seeing it soar over 1,300 feet into the sky, each step reinforces lessons in physics, engineering, and teamwork. Teachers can easily integrate this rocket into lessons on propulsion, drag, and recovery to create a well-rounded educational activity.
Quick Assembly, Big Results
The Cosmic Ray® is a snap-together kit that requires no glue or paint, making it simple to build and launch in a single class period. This ease of use allows educators to focus on the learning experience rather than complex assembly, while still providing the satisfaction of a successful rocket launch.
Educational Value Meets Excitement
As part of the Estes Education line, the Cosmic Ray® combines the fun of hands-on experimentation with real-world STEM learning. Whether you’re teaching rocketry basics or leading a youth science event, this rocket delivers a balance of simplicity, excitement, and educational depth that keeps students engaged from countdown to recovery.
The Cosmic Ray is a snap together kit and requires no building materials!
Assembly Required Skill Level 1 Beginner
Length: 13.3"(33.7cm)
Diameter: 0.98"(25mm)
Estimated Weight: 1.3oz(37g)
Molded Plastic Fins
12" Parachute Recovery
1/8" Launch Lug
Recommended Engines:
|
Engine |
Projected Altitude |
| A8-3, A8-5 | 225 ft |
| B4-4, B6-4, B6-6 | 575 ft |
| C6-5, C6-7 | 1325 ft |
Model Rocket Kits are rated by Skill Level
1 Beginner
2 Intermediate
3 Advanced
4 Expert
5 Master
If you are just starting in the hobby start at the beginner level and move up from there at your own pace.
What is needed to build and fly
All model rockets come in kit form that require assembly. The materials are primarily cardboard tubes, balsa or plastic fins and nose cone. Materials will vary by model and are typically specified in the description of each kit.
Launching Equipment and Supplies like:
Recovery wadding
Launch Pad
Launch Controller
Power supply
Model Rocket Motors and Igniters
A safe place to fly using guidelines from the National Association of Rocketry Safety Code