DETAILED INSTRUCTIONS & TROUBLESHOOTING TIPS - Download the troubleshooting PDF on this page, and read all included instructions before attempting your first launch. Bookmark this page for a video to assist with any launch issues you encounter. LAUNCH ROCKETS UP TO 250 FEET - Using compressed air from any standard bike pump, the NASA high-altitude rocket soars up to 250 feet high! NO COSTLY ENGINES TO BUY - A more-affordable alternative to combustible rockets! Kit includes 3 rockets you can launch over and over for endless amounts of kid-powered, outdoor fun! QUICK AND EASY TO BLAST OFF - Simply assemble the launch platform, pump to increase air pressure, then safely launch with the wireless launcher system! LOADED WITH SAFETY FEATURES - Our patented rocket system features an innovative tilt sensor, electronic valve-release system & wireless launcher that ensure safe rocket launches every time.