Estes Tri-Flyer STEM Kit EST647

Explore the Estes Tri-Flyer STEM Kit at MegaHobby. This model rocket kit offers a construction or collecting project for your model rocketry hobby.

Product features and specifications

Take flight with the Estes Tri-Flyer STEM Kit, a beginner-friendly rocket that makes every launch unique. With three interchangeable fin sets, two included engines, and flights up to 900 feet, the Tri-Flyer STEM Kit delivers endless excitement right out of the box.

Easy to build, safe to launch, and perfect for ages 10 and up, this rocket kit lets you experiment with different flight styles and see the science of rocketry in action. Build once, fly often, and discover your favorite design!

Skill Level Beginner Build Assembly Required Recommended Engines B6-4, B6-2, B4-4, C5-3, C6-3 Max Altitude 900 ft (274 m)

Plan the complete rocketry project

Review the build requirements and supplied contents before starting. Check the instructions for the exact recommended engine, compatible launch equipment and any recovery supplies needed. A kit, launch set and starter set can contain different equipment; only items specifically listed are included.

Published altitude figures are estimates under the stated conditions, not guaranteed flight results. Follow the supplied instructions and appropriate model rocketry safety guidance when preparing and flying the completed model.

Explore Estes at MegaHobby

Browse Estes rockets and supplies and Estes Model Rocket Kits. Explore the wider Model Rocketry collection, then find building tools and finishing materials in the Paint Store.