Most of his mesmerizing sculptures are made with just cardboard, glue, and a knife. Warren shows us how to build our very own robot helmet, using the techniques he's perfected throughout his career.

If you want an easy project to complete in a day or so, or something to introduce kids to the world of robots and electronics, make this light-following robot your weekend project.

Learn how to make a robot using recycled materials in this BBC Bitesize guide for Reception.