presents
How about getting him a new board game that he hasn't played before? There are lots of great new board games that he might enjoy. Here are a few suggestions based on popular board games:
You could also consider getting him a board game accessory, like a new set of dice or card sleeves. And if he is interested in designing his own board games, you could get him a book on game design or a set of game design tools.
Or you can get him a star map with an important date you share.
Madeline Moran Weiler says about Under Lucky Stars star maps:
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.