Take a video of your room or a room in your house, it can be as simple or complex as you want. The point is to shoot something you probably find boring and try to make it interesting for somebody to watch. Also shooting in such a limited space presents challenges for room, light, and creativity. It doesn't have to be anything serious that you spend a ton of time on, just something you can do to practice, do when you're bored (why I did it originally), and hopefully improve your skills.
Here's mine to get the ball rolling: