Sherlock Holmes has received an invitation to the clocktower of Westminster. Upon arrival, he is confronted with an unsolved crime from his past. To play this 3D advent calendar, you first assemble an 86cm/34 inch model of the clocktower in which the story is set. Over the course of 24 days you find mysterious objects and clues that help you find out what happened 20 years ago. Each solved puzzle brings you another step closer to the solution of the puzzle.

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