This 4-DOF Biped Learning Kit for Arduino Nano is a two-leg robot kit. It comes with a SunFounder Nano board as the control board, but it is also compatible with Arduino Nano board. Each leg has 2 joints driven by servo and is very flexible. It can not only do many actions but dancing.
Qualified with HC-SR04 ultrasonic ranging module, it can detect and avoid obstacles intelligently. Visualize programming can be utilized, people who know nothing about it can also program. If you have several robots, you can control them to play together, for example: racing, kick a ball and battle.