I taught simple 2D animation on paper during my Sunday workshops. I usually do these workshops every sunday online. If you want join my meetup group, if you join you’ll get the update on events I organize, or yo can just follow my website here and you’ll get the scoop (https://www.meetup.com/bangkok-drawing-meetup/)
Following that workshop I made a youtube video where I show you how you can do simple 2D animation at home:
SKETCHMAN BORIS 