I have a Cadbury's free ticket voucher, how do I pre-book? You will need to pre-book a ticket to guarantee entry, please do so here Please bring your pre-booked ticket and your Cadbury pack voucher to gain entry at the turnstiles. Related articles I have a Kellogg’s snack pack voucher (e.g Fruit Winders, Rice Krispie Squares), how do I pre-book my ticket? What are your opening times? I have Sun Superdays tickets, do I need to pre-book a further reservation ticket/s? Do you offer a child/senior/family discount? Can I leave the Theme Park and return the same day?