A huge iPhone made up of 56 iPads has been assembled to promote the new Guardian of Light game and heroine Lara Croft.

You will see the huge iPhone at St Pancras train station and it displays huge images of Lara Croft and clips from "Guardian of Light". It's really a huge digital billboard powered by the 56 iPads and the game is designed for the iPad, iPhone and iPod.

Lara Croft and the Guardian of Light can be  download from iTunes. Its not free of course and costs £5-99p for the iPad and £3-99p for the  iPhone and iPod.

If you'd like to find out more before buying the game there is a dedicated website here.