Do you offer gift vouchers? Unfortunately we do not currently offer gift vouchers for DreamWork's Tours: Shrek's Adventure! London. Related articles I'm a Merlin Pass holder, do I need to pre-book? Do you offer a student discount? How do I redeem a Buy A Gift voucher/gift card for Shrek's Adventure! London? How do I redeem a 2 for 1/Promotional Voucher?