The Look Around You Invention of the Year Award comes to you live from BBC Television Centre in Shepherd's Bush, London. Six leading inventors are in the studio hoping to take the big trophy. The finalists include the team behind a machine which can change your sex in minutes, and it will be tested live on the show.

• Peter Serafinowicz
• Robert Popper

• Simon Pegg
• Nick Frost
• Peter Serafinowicz