The fourth grade programmed the "CD player" and the Lamp. Everything can be seem by the camera through RoboLab. Music plays and light comes on using light sensors.
Webpages and pictures on http://www.marshall.edu/LEGO Web camera on http://legocamera.marshall.edu Teleoperate LEGO CITY at http://lego.marshall.edu NASA site of Remote Sensing on http://SENSORSCITY.marshall.edu