Meet the SunFounder PiSloth: a robot kit that lets you build a Raspberry Pi powered programmable robot. It can be programmed with a graphical user interface or Python. This app controlled robot comes with servos and a ultrasonic sensor to follow objects, avoid obstacles, and dance.
The PiSloth has 4 movable joints that enable walking and other moves. The companion software is available for iOS, Android, and Windows devices.