This is a magic toy bill that says "Don't shake it, it's a thousand-yen bill." Just shake it and flip it over. It's hilarious. It's used as a magic trick or joke item. It's an essential trick for magicians. The product is two "Don't shake it, it's a thousand-yen bill" toy bills. *This is a magic toy bill, so please use it as a joke item. It cannot be used as currency, so please be careful. We are not responsible for any issues that may arise.