Sketch-a-move is a concept for a toy car that allows you to explore the unique relationships between small surface doodles and actual physical movements. If you draw a circle on the top of the toy car, it will move in a circle. If you draw a complicated spiral, the car will move in a spiral. This idea opened up fascinating play possibilities and showed how not only children, but even adults could spend hours playing with it. In collaboration with Louise Klinker:

A really nice example of the use of video for prototyping!