This is a magic trick "ouch bill" toy banknote. It is double-faced, so if you pinch the edge and flick it, it will flip over. It is a very visual gag that gets a good laugh. It's a must-have trick for magicians. The product is 2 magic trick "ouch bill" toy banknotes. *Please use this as a joke item, as it is a magic trick toy banknote. It cannot be used as currency, so please be careful. We are not responsible for any incidents that may occur.