This experience is valid for two adults. Available to book week round, year round. Adult tickets are valid for age 16 and over. Separate tickets are available for children aged 5–15. Under 18s must be accompanied by a paying adult. Each tour lasts approximately 90 minutes. You are advised to arrive 15 minutes before your scheduled start time. Please note the content of the tours may vary and due to events, some areas may occasionally be closed. All dates are subject to availability.