Tango no Sekku is Children’s Day, observed on May 5.
The day was traditionally celebrated as Boy’s Festival. In household across Japan, parents display suits of armor and doll modeled after samurai warrior and carp-shaped streamers hoisted on a tall pole. Kashiwa-mochi-rice cakes are eaten on this day. Kasiwa-mochi is a glutinous rice cake containing sweet bean paste wrapped in Kashiwa-oak leave.