Countdown presenter Rachel Riley has been announced as a presenter on The Gadget Show, joining Pollyanna Woodward and Jason Bradbury.

Riley, who took over as numbers expert on Countdown from Carol Vorderman in 2009, commented 'I'm very excited to be joining the Gadget Show family. I'm always keen to try out new gadgets, so it's going to be brilliant to be able to get my hands on the latest models and test them on behalf of the viewers'.