Spin Control™ Model Rocket Launch Set offers loads of interactive fun never before used in model rocketry! It features a model rocket equipped with an electronic spin tracking nose cone and an adjustable fin that is set before each launch to spin the rocket as it blasts into space! The Nose Cone records the number of rotations you get during a rocket flight! It’s simple, accurate and can track flights over and over again. Users can change the fin configuration and engine choice to alter the number of rotations flight after flight.This starter set comes with almost ready to fly rocket with assembled parachute, and complete launch system with motors. Minor assembly is required.