Relationshipware StratoLauncher IV Ultimate Tilting Water Rocket Launcher StratoFins Kit

Easy to assemble metal water rocket launcher with a 125 PSI safety valve. StratoLauncher IV will propel a 2 liter plastic PET soda pop bottle over 350 ft. in the sky. Kit is fully upgradeable, expandable, can be accessorized into a complete launching system for STEM.