I was running an afterschool program teaching kids to code and we were looking for a way to have them code that was more social and group oriented rather than having everyone hunched over a computer more or less by themselves all the time. I was also looking for a project to explore Computer Vision and Machine Learning. This ended up being a good fit for both needs. The video on the website shows the students working on it. It's surprisingly engaging for being just paper cards you are writing on...
