Steam Train Experience 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: The experience can last anything from 35 minutes to a full day depending on your chosen location.Group Size: There will be other people there on the day.Weather Dependent: NoSpectators: You are more than welcome to bring friends and family however they will be required to pay on the day.Minimum age restrictions apply under 17s must be accompanied by an adult.Requirements: This voucher is valid for two people and excludes Special Event Days. Please note if the Steam train is unavailable for reasons beyond the control of the venue it will be replaced by a Diesel train.Availability: This experience is available on selected March to October dates however some locations are available throughout the year. Excludes special event days.