This is a cool video that goes over the basics of DIY Combat Robot building. Nothing very high tech but there is lots of interesting tips such as using cheap cordless drills as robot motors when you are trying to build on the cheap."RoboGames founder and SFSU School of Engineering instructor, David Calkins, gives Patrick a primer on building a combat robot. From the wheel and controllers to the shell and motors, David Calkins shows us some really easy ways to come up with parts for this project and how to put all together."