We are not big on screen times either! I've been DEEP into painting, play dohs, pancake makings, and even got mine a cleaning play set so he can clean with me.
We do a lot of coloring, painting, building blocks, dollar tree has crafts that are fun and cheap, we have sensory bins which i like to do a theme for each one. The library and indoor playgrounds.
This website has some good ideas! https://letsliveandlearn.com/indoor-activities-for-toddlers/
Gagh following because same!