Pretty much everyone enjoys being able to help their younger siblings or kids with their elementary school homework. It’s a little piece of joy to pass on what you’ve learned and prove how cool of a mom/dad or big brother/sister you are. You impart some simple knowledge and see the little light bulb turn on in their head as they begin to understand. Then you can sit back and watch with confidence as they interact with the world around them.
But what do you do when the homework is a question that even you can’t answer? This brainteaser had everyone in one Japanese family stumped for over an hour, so they turned to Twitter for help. And then much of the Internet was stumped too. Take a look at these riddles and see how many you can get playing: What Prefecture is This?