Easy to assemble metal water rocket launcher with a 125 PSI ... StratoLauncher IV Ultimate will propel a 2 liter plastic (PET) soda pop bottle over 350 ft. in the sky. Watch the last minute ...
This water rocket launcher lets you do just that. Built using the frame from an old grill, a soda bottle takes its ... got a compressor and some empty 2-liter bottles you might also pick up ...
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