Ultimate Choice for Kids and Teens - 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: The duration will vary depending on your chosen experience.Group Size: The group size will vary depending on your chosen experience.Weather Dependent: NoThe minimum age will vary depending on your chosen experience.Availability: The availability will vary depending on your chosen experience as will the seasons.