This week mine was homemade soda. Fermented sodas, citric acid + bicarbonate sodas, different juices and flavors like lime + lemon + cherry and pomegranate or mango peach or cola (homemade knock off)
Emulating Switch games on my phone. I've got a Switch, and I'm emulating the games that I own, but because it didn't immediately work on the phone, it's started that little obsession.
That's a good analogy, I like Legos as well. Perhaps I am more of a builder and tinkerer than a player. Unless it's Cities Skylines, I play the shit out of that!