Recently, Ben and Kurt built a water bottle rocket launcher. It is a cool, inexpensive project for father and son. They had a great time with it.
Kurt and Ben working on building a water rocket launcher.
Launching the rocket!
They went to the school's soccer field and got quite a bit of height
on the rocket!
Want instructions? Go to http://www.sciencetoymaker.org/waterRocket/buildWaterRocketLauncher.htm