build a robot with arduino

Hello,

I would build with the Arduino board, a small wheeled robot, but I do not know how to do it, what are the steps?

Thank you for your help.

Google +arduino + small +robot and see what others have done as a starting point.
Also reseaerch websites such as
http://www.dfrobot.com/index.php?route=product/category&path=37_69