Overview KitiBot starter tracked robot building kit based on BBC micro:bit V2 When KitiBot meets micro:bit, when kids meet programming, the mysterious robotics becomes simple, each interesting idea will come true. By using the graphical programming software, learning programming, and exploring robotics would be as easy as building blocks. This KitiBot tracked robot kit uses the BBC micro:bit as the host controller, combined with several functional modules, it is easy for the kids to experience robotic tricks such as: line tracking, obstacle avoiding, ultrasonic ranging, servo operation, Bluetooth remote control, etc. The BBC micro:bit V2 is an open development board that allows you to run code on it and have access to all of the hardware. You can use your BBC micro:bit for all sorts of cool creations, from robots to video games – the possibilities are endless. Package Contains BBC micro:bit V2 x1 Metal box x1 Gears 8PCS x1 Caterpillar track 2PCS x1 KitiBot for micro:bit expansion board x1 Line tracking sensor x1 Ultrasonic sensor x1 KitiBot acrylic head x1 Servo x1 Servo mounting board x1 Ultrasonic adapter x1 370 coding motors 2PCS x1 PH2.0 20cm 4Pin same side contact cable x1 PH2.0 20cm 7Pin same side contact cable x1 USB type A plug to micro B plug cable x1 KitiBot for micro:bit T screws x1 Screwdrivers 2PCS x1 For more details you may need to know, pls firstly send me message via Amazon, I will then send attached document including User Guide for you, thank you for patience.;D