Estes Rockets E Rocket Launch Controller spo-default Kit includes 4 fins and

Kit includes 4 fins and 4 steering vanes

~36” long elastic

When two is better than one

Boyce Aerospace Hobbies 3D printed 1:100th Scale Saturn V Skirt/Fin Upgrade

5 grams and measures 81 mm in length and 51

Estes Rockets E Rocket Launch Controller spo-default Kit includes 4 fins andLaunch your next E engine powered rocket on the Estes Rockets E Rocket Launch Controller May be used to launch Estes rockets with all sized engines Includes a safety key and 30' of cable Requires 4 "AA" alkaline batteries (not included) Launch all your Estes Rockets, specifically E engine powered kits with the Estes Rockets E Rocket Launch Controller. This launch controller includes 30' of cable and a safety key. Powered by 4 "AA" alkaline batteries