You want a nice little robot around your house, but do not wish to spend thousands to get it necessary? Well, the purchase of a robot follows the law rather to get what you paid for, and in this case, $ 19.99 you will receive an online tracking robots that follow a line you create. What's funny about this, you ask? At the beginning it is a learning and building blocks, the targets between freaks who want to learn more about robotics. Assembly of the robot is a set of simple tools, which spoke of screwdrivers, pliers and knives, and fortunately there is no welding, you need not fear shaking hands screw a whole piece of board. Powered by two AA batteries, we wonder what happens if the robot is confused with all the lines cross each other is.