Where can i find that a tutorial to help me build a rocket for my physics experiment

i want something like a water rocket or anything that isnt too complicated.
i dont want a fuel rocket though!

You can find instrutions on how to build a water rocket at the following websites (the last two include videos):

http://www.thisoldhouse.com/toh/how-to/i…

http://www.opentutorial.com/Make_a_water…

http://www.wonderhowto.com/how-to-build-…

http://www.youtube.com/watch?v=Wkg1vvmfM…


Hope this helps...good luck!