When do I need to buy my half price Assault Course + Archery ticket (£12.50 p.p.) ticket by? You must purchase your half-price ticket before the 10th of July. Related articles It wont let me book my tickets online, what should I do? I want to book the Assault Course + Archery for October, can I make use of the £ 12.50 p.p. ticket? How long is the Gift Voucher valid for? I am on my period. Will I be able to take part in the snorkel experience? I can’t find my tickets. What should I do?