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.

Estes Pro Series II model rocketry is recommended for ages 18 and up. All models require assembly. Tools, construction and finishing supplies sold separately. In order to launch, a launch system, model rocket motors, igniters and recovery wadding are required - sold separately.

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