Do I need to pre-book online if I have a promotional voucher? You will need to pre-book a ticket to guarantee entry, please do so by going to the promotional voucher information here. Related articles I have a Carex 50% off promotional voucher, how do I pre-book? Is my promotional voucher valid? Do you offer a Family ticket? How do I redeem my Share the Fun vouchers? How do I purchase a Car Park ticket?