Check the listing for details. Estes Flying Model Rocket Kit Pro Series Star Orbiter EST 9716. Condition: New. Listed at 26.99 USD. Estes Flying Model Rocket Kit Pro Series Star Orbiter 9716 We continue to develop and grow the Pro Series II line! This time around we're offering up a BT60 (1.64 in/42 mm) diameter body tube for your building enjoyment. Standing over 45 inches tall, the Star Orbiter comes with the quick release motor retention system just as the other Pro Series kits do. (Motor Retainer Set - is also sold separately). Construction of this kit is not difficult and the altitudes you will reach are very impressive! Building and finish work can easily be accomplished over a few days. Pro Series II Length: 45.2 in. (114.8 cm) Diameter: 1.64 in. (42 mm) Estimated Weight: 5.9 oz. (167.2 g) Laser cut Wood Fins, Screw on Motor Retainer, 15 in. (38 cm) Parachute Recovery Recommended Engines: E16-6 (first fight) F15-8 Projected Altitude: 1800 ft. (549 m) Model Rocket Kits are rated by Skill Level 1 Beginner 2 Intermediate 3 Advanced 4 Expert 5 Master If you are just starting in the hobby start at the beginner level and move up from there at your own pace. What is needed to build and fly All model rockets come in kit form that require assembly. The materials are primarily cardboard tubes, balsa or plastic fins and nose cone. Materials will vary by model and are typically specified in the description of each kit. Additional supplies will be necessary to build and finish your model rocket kit and may include: Scissors, Hobby Knife Ruler Wood Glue, Model Cement or CA(Super Glue) Sandpaper Masking Tape Finishing Supplies like: Wood Filler Sealer/Primer Paint Launching Equipment and Supplies like: Recovery wadding Launch Pad Launch Controller Power supply Model Rocket Motors and Igniters A safe place to fly using guidelines from the National Association of Rocketry Safety Code