I called it “Clean the river”. It is a web-based game that lets children practice forming and solving basic mathematical expressions by "cleaning the river".
"From the soil: Foundations of Chinese Society" by Fei Xiaotong.
It is a book (accessible to non-chinese) that helps one understand a population of >1.4 billion in less than 180 pages. Wouldn’t one call this a bargain?
Thank you so so much for listing these examples. I am the exact target audience for your financial accounting videos. Immediately bookmarked and shared with a few of my close friends. Appreciate you for finishing these projects -- they definitely will come in valuable for people like me :)