Meet the Roli Roller: a cool robot kit with 13 female ez-bit connections, allowing you to enhance it. It is powered by 2 motors and can tackle tough terrain. Its wheel and tread heights are adjustable. The robot comes with a camera to offer vision tracking. Your Roli Roller can interact with objects, colors, faces, and motion.
The robot has a clip and play design. Multiple ez-bits can be connected together to make arms and legs. It has 3D printable open source parts and mobile control. More information is available here.