Estes Rocket Science Model Rocket Starter Kit Slash Parts Uses a 29mm engine mount

Uses a 29mm engine mount

5mm diameter steel link rods with 4mm threaded ends

Blade Circle: 14

TAM53159 4mm Aluminum Flange Lock Nut (Blue)

Estes Rocket Science Model Rocket Starter Kit Slash Parts Uses a 29mm engine mountAre you ready for a high flying adventure with the "Rocket Science" model rocket kit? It has everything you need to launch and track your rocket! This kit is the perfect way to have fun while exploring STEM (Science, Technology, Engineering, and Math) concepts. Using Estes standard model rocket engines (included with the kit), your rocket can reach impressive heights of up to 1100 feet! Moreover, with the Mini AltiTrak altitude tracker also included,