They made vehicles with two kinds of motors to use battery box and WeDo. The great excitement was getting the new NXT to go through many forward and turn movements to get from base to the circle.
Webpages and pictures on http://www.marshall.edu/LEGO Web camera on http://legocamera.marshall.edu Teleoperate AppaLEGO CITY at http://lego.marshall.edu NASA site of Remote Sensing on http://SENSORSCITY.marshall.edu