How about getting him a customized photo puzzle? You could choose a special photo of the two of you and have it transformed into a puzzle. This way, he can enjoy his love for puzzles while also having a fun and sentimental reminder of your love for him. Another option could be getting him a replica of a famous puzzle, like a Rubik's Cube or a Sudoku cube. This could provide him with a challenging and entertaining way to spend his free time. Finally, you could consider getting him a puzzle book by his favorite author, with a personalized message inside, so he can continue to enjoy his favorite pastime while also feeling the love from you.
Or you can get him a star map with the date of your anniversary.
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.