Introduction to Bushcraft - 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: This experience will last approximately 4-6 hours.Group Size: This experience is for one person there will be other people there on the day.Weather Dependent: YesSpectators: Unfortunately this experience is not suitable for spectators.Restrictions and Considerations: A good general level of fitness is required.The minimum age is 18 years old. Under 18s must be accompanied by an adult.Availability: This experience is available on selected dates subject to availability throughout the year.