Available to Museum visitors from 21 to 31 October
The Roald Dahl Museum, Great Missenden, Buckinghamshire
Boy and Grandmamma need your help to make enough Formula 86 Delayed Action Mouse Maker to get all of the witches. Pick up a trail sheet from the ticket desk and search for the clues around the Museum.
The trail is included in the cost of a Museum ticket; please book in advance for Museum entry during October half-term to guarantee entry.