One of the timeless ready-to-fly rockets from Estes, the Athena model rocket kit is one of the coolest model rockets. It comes fully assembled which means you get to the flying field quick. So grab a friend and get ready to have some fun! From the tip of its stretched nose, to its rear engine-retainer hook, the 16-inch Estes XTREME is a marked model that even novice rocketeers can build quickly and easily. Designed around an Estes BT-20 body tube, with surface mounted, laser-cut card-stock fins, and an old-school engine-mount block; this traditionally configured three-fin model rocket achieves exceptional performance on a range of Estes engines, from 1/2 A to C. The narrow, swept fins are precision shaped for maximum stability and minimum air resistance. * * RECOMMENDED ENGINES: A8-3, B4-4, B6-4, C6-5 * PROJECTED ALTITUDE: Athena: 700 ft. (213 m) on a C6-5 Xtreme: 1600 ft. (488 m) on a C6-5 Overview This starter set includes everything you need to launch the Athena and Xtreme rockets. It's designed to take a beginner rocketeer, build up their skills, and bring them deep into the world of rocket science. This starter set includes the launch pad, the launch controller, 2 A8-3 motors, 4 starters, 4 plugs, and 12 sheets of recovery wadding. Everything you need to experience an incredible launch day. The Athena is a Beginner's quick building rocket kit that requires no previous building experience and no paint. The Extreme is an Intermediate rocket kit that requires moderate assembly which includes gluing and painting. This Estes Rocket Starter Set includes * Port-Pad II Launch Pad and Electron Beam Launch Controller * 2 Engines with Starters and Plugs for 2 Launches * Recovery Wadding for 2 Launches * 1 Beginner build rocket and 1 Intermediate build rocket * Everything is included except AA batteries, adhesives & paint Includes Everything Needed to Launch! Rocket: 1 Athena Rocket Kit 1 Xtreme Rocket Kit Engines: 2 A8-3 Engines with Plugs, Starters, and Wadding Launch Pad: Porta-Pad II Launch Pad Launch Controller: Electron Beam Launch Controller Enough Supplies for: 2 Launches Technical Specifications Recommended Engines A8-3, B4-4, B6-4, C6-5 Launch System Porta-Pad II Launch Rod Size 1/8 in. (3.18 mm) Projected Max Altitude Athena: 1125 ft. (343 m) Xtreme: 1600 ft. (488 m) Recovery System 12 in. (30.5 cm) Parachute Length Athena: 17 in. (43.2 cm) Xtreme: 16.8 in. (42.7 cm) Diameter Athena: 0.98 in. (25 mm) Xtreme: 0.74 in. (19 cm) Weight Athena: 1.4 oz. (39.7 g) Xtreme: 0.8 oz. 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