SunFounder Arduino Robotics Kit, 4-DOF Dancing Sloth Programmable DIY Robot Kit for Kids and Adults with Tutorial High quality Sloth robot -updated with high performance 9G servo motors which confirm good quality. Humanoid robot - the cute Bio robot walk with two legs, you can program on it to change its gestures and directions, liking Alternate speed and alternate left or right feet. Let's dancing with it. Learn to code easily - you can learn how to code faster and easier than ever with visual programming language software, or Arduino code. Obstacle avoiding - with the "eyes" (Ultrasonic), it can avoid obstacles Intelligently Easy to assemble - the new generation educational toy is more easy for kids to assemble with the detailed instructions.