Check the listing for details. Estes Flying Model Rocket Kit Pro Series Super Big Bertha EST 9719. Condition: New. Listed at 43.19 USD. Estes Flying Model Rocket Kit Pro Series Super Big Bertha 9719 The Pro Series II line just got a new member! Meet the Super Big Bertha, featuring a BT80 (2.6 in/66 mm) diameter body tube for your building enjoyment. Standing over 36 inches tall, the Super Big Bertha comes with the quick release motor retention system just as the other Pro Series kits do. (9750 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. AND did we mention its a bring back from around 1990?Pro Series IIPlastic Nose ConeGuide to Cut Your Own Body Tube SlotsLaser Cut Fiber Centering Rings Length: 36.8 in. (93.4 cm) Diameter: 2.6 in. (66 mm) Estimated Weight: 8.9 oz. (252.3 g) Laser Cut Triple Layer Wood FinsScrew on Motor Retainer Set24 in. (61 cm) Plastic Parachute Recovery1/4" Launch LugsEstimated Assembly Time 3 Hours (painting and glue drying time not included) Recommended Engines: E16-4, F15-6, or D12-3 engine with 24 mm to 29 mm Engine AdapterProjected Altitude: 1200 ft. (366 m)NOTE: This rocket can also be launched on a D12-3 engine when you purchase the ESTES 9753 - 24 mm to 29 mm Engine Adapter.Model Rocket Kits are rated by Skill Level1 Beginner2 Intermediate3 Advanced4 Expert5 MasterIf 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 flyAll 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 KnifeRulerWood Glue, Model Cement or CA(Super Glue)SandpaperMasking TapeFinishing Supplies like:Wood FillerSealer/PrimerPaint Launching Equipment and Supplies like:Recovery waddingLaunch PadLaunch ControllerPower supplyModel Rocket Motors and IgnitersA safe place to fly using guidelines from the National Association of Rocketry Safety Code