A simple and elegant example of robots as interactive art. These 'Wallbots' have magnetic wheels that allow them to climb walls, and can each be programmed with a different 'personality', indicated by the colour of its light. Red robots move quickly, going towards objects (such as human hands or other robots); green robots move more slowly, turning away from objects, and yellow robots move the slowest, stopping completely when motion or objects are detected.
On her instructables site the creator says:
"In the future I plan to build in more complex, autonomous behaviors. I will use these robots to engage people in public spaces such as elevators or hallways. In doing so, I hope to facilitate creative interaction between people and technology in mundane, everyday settings."
I look forward to seeing them.