Kuman Sm2 Robot Car Kit for Arduino, 2 Wheel Utility Vehicle Intelligent Robotics Ds Robot Smart Car Kit Obstacle Avoidance,tracking On-board bread board fixing on the platform ,easy to Extend and second development Free welding installation,more than 40pcs components including. 2in1:Robot car kit and Starter Kit for Arduino Infrared obstacle avoidance mould and Ultrasonic obstacle avoidance mould Infrared tracking mould to drive the robot car easily. English Detailed tutorial including project introduction and their source code will be provided FOR FREE.Please contact us to get E-BOOK