The challenge: Find all the Network Rail managed stations in London without a map, phone or money.

The stations: Euston, Paddington, Victoria, Charing Cross, Waterloo, London Bridge, Cannon Street, Fenchurch Street, Liverpool Street, Kings Cross and St Pancras.

Why?: To raise as much money as possible for Action for Children.  They support some of the UK's most vunerable and neglected children.  With Christmas fast approaching, their projects would greatly benefit from your generous support.

The participants: Chelsey Potts, Andrew Treharne, Vicky Western, Craig Flanders, Jeremy Piercy and Dan Kandola.

As part of the Action for Children £1 challenge, we'll be trying to find all the Network Rail managed stations in London with very little help.  None of us are from London originally so we'll be relying on our cunning alone so it will definitely be a challenge!  Network Rail will be matching any money we raise so please be generous.

Donating through JustGiving is simple, fast and totally secure. Your details are safe with JustGiving – they’ll never sell them on or send unwanted emails. Once you donate, they’ll send your money directly to the charity and make sure Gift Aid is reclaimed on every eligible donation by a UK taxpayer. So it’s the most efficient way to donate - I raise more, whilst saving time and cutting costs for the charity.

So please dig deep and donate now.