Estes Rocket Models Generic E2X (Pk12) E2XEstes' Generic E2X rocket will allow your students to unlock the full potential of their creativity! Being an E2X rocket, it's 'Easy to Assemble' and will go together quickly. Supplied with an all white body tube, the Generic can be decorated using its included self adhesive foil decals or with markers, paints, or a combination of all you decide! Generic E2X is 381mm tall once complete and can launch to an altitude of 1,100 feet using Estes standard