This video was filmed by Charbax of http://ARMdevices.net at CES 2011

http://robobuilder.net is selling this Robot building kit for around $840 which allows the user to build a robot in any of 4 or more configurations, as normal robot, spider, dog or car configurations, and then program it's movements and it has some sensors too. It takes in average 1 hour to build it for the consumer.