This pin set was released at Japan Disney Store to celebrate Japanese traditional Hina Matsuri. March 3 is Hina Matsuri (Doll Festival or Girls' Festival), when people pray for the happiness and healthy growth of girls. Families with young daughters mark this day by setting up a display of dolls inside the house. They offer rice crackers and other food to the dolls. Mickey (Pin 53004) and Minnie Mouse (Pin 53005) are the doll Emperor and Empress.