Creating three dimensional sculptures out of two dimensional paper opens up all kinds of interesting possibilities.

For Example, a project based around folding and unfolding cubes will give your students the opportunity to create interactive artwork and investigate the juxtaposition of various images and/or themes.
(link courtesy of Judy Decker and the incredible art dept.)


Inspiration

If you want to go a little more in depth with the students, check out The University of Texas Library's Pop-Up and Movable Book History.

If the cube project wasn't challenging enough, are your students tough enough to take on the: Paper Machines? These projects could be great inspiration for paper art that moves...

Inspiration for this post (as well as some of the links) come from Paper Forrest, an art blog with many links to paper sculpture. If this is your thing, check it often.