A Sherlock Holmes inspired wooden puzzle from Professor Puzzle. The Society of Shadows is a clandestine brotherhood seeking to exploit their ancestors' connections and establish themselves as London's criminal overlords. To infiltrate the society and gain evidence to put them behind bars, Holmes must retrieve a special membership token hidden inside an intricate sliding map block puzzle. A Sherlock Holmes inspired wooden puzzle Keeping their minds sharp and creative Improve logical thinking A good gift for kids and adults