When I think of critical thinking I think of math even though it is something that is used in every aspect of out lives. My kids love to play games, as do most kids, and the most basic games can develop critical thinking.
When my son was younger we were playing the card game War. During the game I say that light bulb go off in his head. He grasped the concept of what numbers are bigger than others, number value.
More recently we have been playing a lot of Mastermind. We have the kid’s version which I think is a good place to start. You have to match 3 colors instead of 4. I have really seen Eli “get it.” It took some time and I had to model my own thinking when it was my turn to figure out the color pattern, but he definitely gets it now. Actually, I know that he understand because he talks out his thinking which is what he has watch me do.
I always love watching those light bulbs go on.
Here is the Mastermind game that we play if you’ve never seen it before.