Created for extreme altitudes, this high-flying two-stager can reach a record setting 3600 feet - that's more than two-thirds of a mile! Defy gravity with the much-anticipated So Long, Estes' highest-flying model rocket yet. Designed for the true lovers of model rocketry to exercise their art in high flying perfection, the So Long features a thoughtful design and robust assembly to make the build of this Pro Series masterpiece as exhilarating and fulfilling as the launch. This rocket stands out on the launch pad with its sleek black, white, and orange design. The So Long is a work of true craftsmanship from Estes and a love letter to devoted fans of model rocketry and the Estes Pro Series. Finish your Estes So Long with lovingly crafted waterslide decals and vivid orange dual streamers for high visibility and easy recoveries. Use the recommended E16-8 or F15-8 engines paired with the E16-0 or F-15-0 boosters (sold separately) to reach maximum heights of 3600 feet. Experience the thrill of rocketry with a model that launches high and recovers reliably. Build and fly your Estes Pro Series So Long today! What You Need to Fly: Pro Series Launch Pad, Pro Series Launch Controller, 1/4" Launch Rod, Estes Engines and Pro Series Recovery Wadding. Needed to Build (sold separately): Scissors, Pencil, Ruler, Fine Sandpaper, Epoxy, Yellow Glue, Clear Tape, Hobby Knife, Masking Tape, - Launch System: Pro Series Launch Pad - Projected Max Altitude: 3600 ft. (1097 m) - Recovery System: Streamer - Length: 46.2 inch (117.3 cm) - Diameter: 1.21 inch (31 mm) - Weight: 5.75 oz. (163 g)