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.

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

Smartibot is the world’s first cardboard robot that can think for itself. We’ve been talking to the man behind it to find out how you’ll be able to assemble your own.

advertisement 11-03-2014 WANTED Make Your Own Cardboard Robot ZURI is a programmable robot kit with a dozen different design variations.