Get this DIY Intelligent Line follower/Tracking Smart Car Kit with all essential parts to build and Learn your own DIY line follower robot car This car just needs a 3V power supply to operate from two AA batteries. The comes with two powerful geared BO motors and all the required parts and ICs to run the robot, you do not need to use any driving board or coding to program it. you just need little soldering knowledge to assemble this bot.