Cadburys have teamed up with Merlin to offer a free ticket to one of their Parks or attractions including Alton Towers, Thorpe Park, Chessington World of Adventures and LEGOLAND Windsor when handing in the voucher from one of it's promotional bags when purchasing a full priced adult ticket.
The vouchers can be found on promotional packets of Bournville Giant Buttons, Dairy Milk Buttons, Bitsa Wispa and Dairy Milk Caramel Nibbles. Cadbury hasn't given a specific date when it will finish distributing the promotional packets.
The vouchers can be used for entry until 31st July 2020. There may be certain block out dates so for full details, terms and conditions and to book tickets visit Cadbury Website.