Newsround will be meeting Nitro on 12 February and we want to put YOUR questions to the Gladiator ahead of a brand new show ...

The five young winners got to meet Prince William at Windsor Castle where they each presented their winning idea.

Newsround – the home of news, pictures and videos from around the world. CBBC iPlayer – full episodes of your favourite CBBC shows. All this newness means we’ve had to get rid of some old ...