Nintama Rantaro Soap Bubble Making! Chapter - Challenge Prize Can Badge - 5th Grade Ro Class - 1 item. Heisuke Kuwahara Kanjuro Ohama Saburo Hachiya Raizo Fuwa Yazaemon Taketani 5th Grade Students 5th Grade I Class 5th Grade Ro Class Opened once and stored in a dark place. Please be aware that this item has been stored by an amateur, so please consider this if you are concerned. Will be shipped with waterproof packaging and cushioning material. Instant purchase is OK. Title: Nintama Rantaro Item/Type: Can Badge