Five Star Gift Ideas

How about getting him a beading kit and some high-quality beads so he can create his own jewelry pieces? You could also consider getting him some beading books or a subscription to a beading magazine to help him improve his skills and learn new techniques. If he prefers to wear beaded jewelry, perhaps a customized beaded bracelet or necklace in his favorite colors would be a great gift.

Or you can get him a star map with the date when he was born.

Burcin Dalkanat says about Under Lucky Stars star maps:

“It was such a sentimental and romantic present for my husband's birthday (since he is so into astronomy and the moon on the background). The order came super well packaged, and now it is the gem in the basement :)”