雷おこし is a traditional Japanese snack originating from Tokyo. It is made from puffed rice, sugar, and various flavorings, often including soy sauce or sesame. The name translates to "thunder rice," reflecting its crunchy texture and the sound it makes when eaten. This treat is often enjoyed during festivals and is popular as a souvenir. 雷おこし is typically packaged in colorful boxes, making it a delightful gift. Its unique taste and texture have made it a beloved snack among both locals and tourists visiting Japan.