This project lets you play rock, paper, scissors versus your Raspberry Pi, complete with hand gesture recognition
It's a game and a lesson in AI processing in one.

The best Raspberry Pi projects are a lot of fun to use, and they teach you something while you build them. If you've ever wondered about using AI to identify hand gestures but are unsure where to get started, why not challenge it to a game of rock, paper, scissors? Not only do you learn how to build an AI system that can detect what hand gesture you're throwing, but you can put your SBC in its place and beat it at a game or two. It knows what it did.