In a hurry with no time to build or are you just looking for another great flying, high performance rocket to add to your collection? Estes has the rockets for you! Joining our lineup of great Ready To Fly (RTF) rockets are the Scrappy and Slinger! Fully assembled, great looking and high-flying says it all about these 2! Launched on mini Estes engines for hours of flying enjoyment, they can reach heights of 575 feet and are easily recovered with 6 inch, brightly colored, fully assembled parachutes.