You must redeem your National Rail Days Out in London voucher online by visiting the Days Out Guide Website. Please follow the instructions to complete your booking for Madame Tussauds London. On the day of your visit, you will need to present your train tickets, as well as your Madame Tussauds London tickets.
For full FAQS and Terms and Conditions, please visit https://www.daysoutguide.co.uk/faqs