Full Day Spy HQ for Two - Key InfoVoucher Validation Your voucher is valid until 01 Jul 20 You must validate book and use your voucher within the voucher expiry date.Duration: Your experience will last approximately 5 hours.Group Size: This voucher is for two people there will be a maximum of 58 others with you on the day.Weather Dependent: NoSpectators: You are welcome to bring along family and friends to watch.Restrictions and Considerations: General fitness is required. If you have any medical conditions or take medication please advise the centre when you arrive.You must be aged between 18 and 70 years old to take part.Availability: This experience is available on Saturday and Sunday April to November subject to availabilty. You must attend your experience before the expiry date.