The Mechanical Engineering Robot Show
The Robot Show is the largest collection of robots assembled in one place in the Twin Cities and is fun for kids of all ages. For six weeks, the 210 college students in the introductory design course in Mechanical Engineering design and build their own robot. The results of their efforts will be on public display at the Robot Show. It is run like an open house, so you can come for any or all of it.
More information: http://www.me.umn.edu/robotshow/