Scratch 2.0 is developed by MIT Media Lab, excellent interface, and easy-to-use for everyone.Free & source code: the software is free and supports Windows & Mac systems. Supports wireless communication: you can use Bluetooth to communicate with mBot. And download the program wirelessly is supported.Supports standard Arduino boards, like Arduino Uno, Lenardo boards, Makeblock mCore(Based on Arduino Uno) and etc. With open communication protocols and source code, it is easy to add new support for new hardware.The MBot is a programmable toy car so that you can do loads of stuff with it. You can drive it around like a regular robot car, but you can also program it to move around on its own. You can even program it to follow lines, go in circles or even drive in a zig-zag pattern! Easy to use: No additional helper app. The easiest way to program your Arduino and robots. Specifications:Recommend Age: 7-12y Model Number: mBoT Use: Vehicles & Remote: Remote Controller Combination size: about 17x9x9cm Color: Blue Item Type: DIY Smart Robot Car Kit SetWhat's In The Box? 2 * Micro TT motor1 * mCore2 * 90T Plastic Wheel2 * Tyre 90T B2 * Velcro4 * Brass stud M4 x251 * Chassis1 * Universal wheel15 * Socket Cap Screw M4 x 86 * Countersunk Screw M3 x 258 * Nut M34 * Self-drilling Screw M2.2 x 9.52 * 6P6C RJ25 cable-20cm1 * USB A-Male to B-Male Cable 1m1 * Screw driver1 * Me Ultrasonic sensor1 * Me Line follower1 * Bluetooth module(dual mode)1* Instruction Book1* Line follower map1 * Cosplay Card1 * IR Controller