Tri-Flyer Set Overview: Embark on a thrilling journey into the cosmos with the Estes Tri-Flyer Model Rocket STEM Starter Set, designed for beginners and aspiring space explorers. With three fin shapes and two engines included, this kit offers an exhilarating introduction to the world of aerospace engineering. Built with safety and simplicity in mind, the Tri-Flyer features a user-friendly assembly process and a reliable launch system. With five STEM activities included in the booklet, explore the impact of different fin shapes on flight. Launch over and over until you can determine which fin is best for speed, altitude, and landing. Unleash the boundless potential of STEM education and ignite a passion for exploration that will last a lifetime! Features: Three fin shapes for varied flight experiences User-friendly assembly process Reliable launch system Five STEM activities included Parachute system for safe return Specifications: Skill Level: Beginner Recommended Engines: B6-4, B6-2, B4-4, C5-3, C6-3 Projected Altitude: 900 ft. (274 m) Size: 24.62 to 25.1 in (62.53 to 63.75 cm) tall, .98 in (2.48 cm) diameter Weight: 1.95 to 2.45 oz (55.28 to 69.45 g) Fin Material: Molded Plastic Recovery System: 12 in. (30.5 cm) Parachute Includes: (1) Tri-Flyer Model Rocket (1) Porta-Pad II Launch Pad (1) Electron Beam Launch Controller (2) B6-4 Engines with Igniters and Plugs (1) Recovery Wadding Items Needed to Complete: Safe place to launch Small rod to support the rocket
