First and foremost I want to second anyone who brought up cooking. Learning to cook a meal perfectly to your tasted is both accomplishing and sharable.
For the geekier stuff, I have taken up Gundam model kits in the last year. You can start off with simply building them straight from the box. There are also a ton of ways to customize them such as repainting, adding decals, create “weathering” effects and “kit bashing” (mixing models together to make your own new model). It has been a very nice outlet whenever I want to be crafty.
Oh look another CCP bot