EASY to LEARN: Founded in 1958, Estes has been a pioneer in creating STEM educational kits for kids. Designed with kids in mind, Estes model rocket kits are made with lightweight materials and available in various skill levels from Beginner to Master. Newcomers can quickly snap a few pieces together for a ready to fly rocket, right out of the box. As their skills develop, our kits increase in complexity. With over 132 different rocket kits to build from, the sky’s the limit on what one can create.