Partial support for this work was provided by the National Science Foundation's Course, Curriculum, and Laboratory Improvement program under grant No. 0411144. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the author(s) and do not necessarily reflect the views of the National Science Foundation.

This is an unofficial web site. LEGO® is a trademark of the LEGO Group of Companies, which does not sponsor, authorize, or endorse this site. This site is intended to aid in dissemination of how to use their wonderful products to aid in educating kids and adults in technology and engineering! For official information, please visit the Official LEGO® World Wide Web Site or the Official LEGO® MINDSTORMS® World Wide Web Site