Watch how fast this robot solves a Rubik's cube
15 March 2014 Last updated at 09:45 GMT
A Rubik's cube is usually really tricky to solve, but not if you're a robot...
In this clip BBC reporter Tim Muffett shows us how a robot can solve the puzzle super fast.
It was one of the many robots on show at The Big Bang Fair in Birmingham, an event hoping to inspire young people to have a career in science.