This water rocket launcher lets you do just that ... If you’ve already got a compressor and some empty 2-liter bottles you might also pick up some extra PVC to make this pressurized water ...

Many of us made soda bottle rockets for science class. Some of us didn’t have that opportunity, and made them in the backyard because that’s what cool kids do. Water rockets work on the ...

Easy to assemble metal water rocket launcher with a 125 PSI safety ... StratoLauncher IV Ultimate will propel a 2 liter plastic (PET) soda pop bottle over 350 ft. in the sky.

If the rocket does fly but not very well, there are things you can adjust. The amount of water makes a big difference. Start with the bottle one quarter full (500ml water in a 2l bottle ...

If the rocket does fly but not very well, there are things you can adjust. The amount of water makes a big difference. Start with the bottle one quarter full (500ml water in a 2l bottle ...