Fifth grader Sophie Allen woke up Saturday morning with one thing on her mind - to successfully launch and keep airborne her homemade soda container rocket at the South Florida Science Museum's ...

Building this launcher is simple if you already have a mill. It does a remarkable job of pressurizing and launching soda bottles which are partially filled with water. The main component of this is… ...

OK, here is one more water bottle rocket. This is an older all-in-one pump and launcher. Just one more note: If you like, you can also make more complicated water bottle rockets.

The sweet Internet doth offer succor, friends, in the form of the Aquapod Bottle Launcher. While you could just make your own water rocket out of a water and some piping, this $24.99 kit allows ...