Description: The newest Sloth Robot is a cute and flexible robot. Visualize programming can be utilized, people who know nothing about it can also program. You can DIY many different models and program to make a different bio-robot by controlling it do different actions. If you have several robots, you can control them to play together, for example: racing, kick a ball and battle. Features: -It is made by the Sun Founder Nano board as control board and compatible with Arduino Nano board. -Ultrasonic hc-sr04 distance measuring transducer sensor, consists of ultrasonic transmitter, receiver, and control circuit. It can detect and avoid obstacles intelligently. -Clutch gear digital servo with a DC core motor inside, After a certain load, the steering gear reducer will automatically clutch and protect the product from damage and normal load. The maximum torque is up to 1.6KG. It rotates from 0-180 degrees. Mechanical limit angle is 360 degrees. Package List: 4 x SF006C Servo 1 x Ultrasonic Module 1 x Sun Founder Nano Board 1 x Expansion board 1 x Velcro Tape 1 x Mini USB Cable 1 x Battery buckle wire 1 x 4-Pin Anti-reverse Cable 1 x Phillips Screw Driver 1 x Cross Socket Wrench 10 x M1.5*5 Self-tapping Screw 6 x M1.4*8 Screw 12 x M2*8 Screw 18 x M3*5 Screw 8 x M3*8 Countersunk Screw 6 x M1.4 Nut 12 x M2 Nut 8 x M3 Self-locking Nut 4 x M3*8 Bi-pass Copper Standoff 4 x M3*25 Bi-pass Copper Standoff (The battery not include in package)