Your voucher is valid for one adult from 1st January–30th June 2020. Available week round, excluding 14th February–25th February 2020. This ticket permits off-peak entry during the last three opening hours. This ticket must be used as an ‘add on’ ticket with either a separate child ticket or family ticket. Opening hours vary depending on the date. This voucher cannot be refunded, exchanged or extended. All dates are subject to availability.