I have lost property, who do I contact? If you have left an item or lost a valuable during your visit to DreamWorks Tours: Shrek's Adventure! London, please complete a form here and a member of staff will be in contact. Related articles How do I contact you with a guest enquiry? I would like to get more information about Merlin's Magic Wand. What is your postal address? When did Shrek's Adventure London open? Can I make a charity / donation request?