Estes Crossfire ISX Flying Model Rocket Kit, Intermediate Skill Level (007220)The Crossfire ISX Rocket Kit is an Intermediate skill level rocket, which will help a budding rocketeer develop some basic model building and finishing (priming and painting) skills. This kit offers a sleek design that looks great when launched. Moreover, widely available and easy to use Estes standard model rocket engines power this kit. One of the most incredible features of this rocket kit is its impressive height potential. With a maximum altitude