How about a nice sketchbook and set of high-quality drawing pencils? You could also consider a drawing tablet or a set of art markers if he enjoys working with more color. If he's a fan of a particular artist or style, you could also look for a book or collection of works by that artist as inspiration. And if you're feeling extra creative, you could even plan a visit to an art museum or organize a drawing workshop for him to attend.
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.