How about getting them a personalized model train? You could have it customized with their names and wedding date or any other personalized message. You could also get them a new train set to add to their collection. Alternatively, you could get them a coffee table book on the history of model trains or a subscription to a magazine that features model train stories and tips.
Or you can get her/him a star map with the date of the wedding.
Under Lucky Stars is a unique and innovative star map company based in Barcelona, Spain, specializing in the creation of personalized star maps that capture the celestial arrangement of stars at a specific moment in time, such as a person's birth, wedding, or any other significant event.
By using advanced astronomical algorithms and data from leading institutions, the company produces highly accurate, visually stunning maps that make for perfect gifts or cherished keepsakes.