BBC Sherlock related competitions | Sherlockology Sherlockabilia Shop Now Open

On your marks... get set... GO PLAY!

Sherlock’s got a new client but he needs your assistance. Help him navigate through the streets of London as he makes his way from 221b to the Olympic stadium where he will begin his investigation of the man with the twisted leg.

The Taxi Jam competition is now closed. Many congratulations to our 10 winners who each receive a London 2012 Great British Classic Limited Edition black taxi. We'd like to thank our friends at Hornby for kindly donating the prizes.

Your browser does not appear to support HTML5. Try upgrading your browser to the latest version. What is a browser?

Microsoft Internet Explorer
Mozilla Firefox
Google Chrome
Apple Safari
Google Chrome Frame for Internet Explorer

The Taxi Jam competition is now closed. The 10 lucky winners were picked at random from the entries and announced on 16/09/2012.

Challenge your friends

Why not brag about your score or challenge your friends if they can do better?