In this Advent calendar, master detective Sherlock Holmes must get to the bottom of a ghostly apparition. Can you solve all the puzzles and complete the Escape Adventure together with Sherlock Holmes - or are your knees already shaking? This adventure is lovingly illustrated and was penned by experienced Escape Game developers. Decide for yourself which door you want to open next to discover all 24 hidden secrets. Each puzzle takes you deeper into the mystery of the abandoned mansion with a code template, all the way to the eerie secret behind Sherlock Holmes' latest case. More Escape Room, more puzzles, more story: The Advent calendar book for families and all ages! Extra: Large poster with night light effect! - Players: 1 to 4 - Duration: 24 doors - Age: 10-99 years.