http://www.rec.ri.cmu.edu/education/teachertraining/tankbotbldginstr.pdf

This next link is to a cool animation of the tankbot described above

http://www.baumfamily.org/lego/books/render.html

Below are some other robotics links that I used last year although I haven't checked to see that they are all still live.

Lego Robotics Resources on the Web

The Centre for Engineering Educational Outreach

http://www.ceeo.tufts.edu/curriculum/index.asp

NASA Robotics Education Project

http://robotics.nasa.gov/edu/6-8.htm

 
Rover Ranch

http://prime.jsc.nasa.gov/ROV/

Robotics

http://www.galileo.org/robotics/design.html

Carnegie Melon University - Robotics Institute

http://www.rec.ri.cmu.edu/education/kits.html

English Robotics Curriculum

http://www.rec.ri.cmu.edu/education/roboticscurriculum/index_to_robotics.htm

 

http://www.rec.ri.cmu.edu/education/multimedia/

 

The ONLINE Lego Junkbot games are excellent too.

Go to the Lego site and navigate from there. Lots of great games here.