How about a great origami kit or book? You could also look into getting him a premium set of origami paper or folding paper or an organizer to store his origami paper. For a unique twist, you could arrange a private origami class or workshop with a local artist or group. Additionally, you could also consider making him a personalized scrapbook or photo album and include fun origami decorations throughout.
Or you can get him a star map with the date when he was born.
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.