The 5th grade students worked on "arms" and "muscle" models. One muscle is for lifting and the other to staighten out. These two made a chair and motorized it. A wheel chair that can really go!
Webpages and pictures on http://www.marshall.edu/LEGO Web camera on http://legocamera.marshall.edu NASA site of Remote Sensing on http://SENSORSCITY.marshall.edu Teleoperate LEGO CITY at http://lego.marshall.edu