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!