Descriptions

The J-Launcher kit includes a water rocket launcher made of plastic, a set of Rocket Fins. Assembly is quick and easy with no further adjustments required regardless if you use our Rocket Fins or your own homemade rocket thanks to the screw-on nozzle. Kit includes our J-Launcher + Rocket Fins. J-Launcher will propel a 2 liter plastic (PET) soda pop bottle over 380 ft. in the sky. Supports most 0.5L, 1L, 1.25L, 2L soda bottles @ air pressures as low as 15 PSI up to 120 PSI. Kit is fully upgradeable, expandable, & can be accessorized into a complete launching system for STEM.