The Marbles: The Brain Store Sherlock Puzzle Game is a brain-teasing twist puzzle based on the famous Sherlock Holmes character. Made of wood in a compact 7x6x3 size, this multi-color puzzle is challenging for ages 10 and up. With various shapes and no custom bundle or modifications, it offers a fun and engaging activity for older teens and adults who enjoy puzzles. The game was released in 2019 and is a great addition to any puzzle collection for fans of the Sherlock Holmes series.