Can you guide Holmes and Watson through the winding streets of London to Moriarty’s secret hideout? The exact location of villainous Professor Moriarty’s lair has always eluded Holmes. That is, until one day he hears whispers of an address from the Baker Street Irregulars. Finally! Will you be able to help Holmes and Watson navigate through the twists and turns of the meandering streets, from Baker Street all the way to Moriarty’s hideaway? You’ll need to rotate the two layers of the maze to move the ball bearings along to their end destinations, being careful to avoid the dead-ends and pitfalls that may lure you from your path.