Estes Rascal & HiJinks Launch Set - Includes 2 Pre-assembled Model Rockets (1499)Nothing to build on these two rockets. They come out of the box ready to fly. Attach the parachutes and that fast you are ready for the flying field. What You Need to Launch: Estes Engines, Recovery Wadding, Starters, and AA Batteries. Set includes: two pre assembled model rockets (Hijinks and Rascal), Porta Pad II launch pad, and Electron Beam launch controller Recommended Engines: A8 3, B4 4, B6 4, C6 5, C6 7 Projected Max Altitude: 1100 ft. (335 m)