I picked up the ukulele! It’s cheap and super easy and soothes my soul in a special way. I have an every growing list of songs that I love to play and sing, and my kids love to sing with me too. Plenty of songs are only 3 or 4 chords. r/ukulele. Good luck!
r/calligraphy - maybe it is for you. You can start with very simple tools. It is fun and satisfying to get better and the practice is meditative.
I had the worst handwriting of anyone I know. Now I love how my notebooks look.