Very interesting example of a simple looking device that attracts and inspires students. The truth behind the story is the device is quite complicated. The CTO, Adam Wilson and CEO, Ian Bernstein openly discuss the robotic sphere in this video: http://www.coloradotechtv.com/gearbox-demos-a-robotic-ball.

You can find out more about the device at the following link: http://www.gosphero.com/.>