Makeblock DIY Ultimate 2.0 Robot Kit - Premium Quality - 10-in-1 Robot - STEM Education - Arduino - Scratch 2.0 - Programmable Robot Kit for Kids to Learn Coding, Robotics, Electronics and Have Fun Ten building forms will meet all your need for different application scenes - Robotic Arm Tank, Robotic Bartender, etc. Great for learning robotics, electronics, graphical programming, Arduino programming and Python programming; Anodized 6061 aluminum mechanical parts with threaded-slot design brings an easy way of building the robot; Three powerful encoder motors enable you to feel every step of the robot; Wirelessly control your robot with smart devices through Bluetooth connection.