Walkers is currently offering a half price voucher on select packets of crisps for use at a range of Merlin attractions in 2014.
The half price voucher is valid for Alton Towers, Thorpe Park, Chessington World of Adventures and LEGOLAND Windsor as well as a selection of other Merlin attractions.
Vouchers can be seen on special promotional packs of individual packets including salt and vinegar square crisps.
There has been no deadline date as to when special promotional packs will be available to.