Jwibulnori (Korean: 쥐불놀이) is a Korean game in which participants create streaks of light by swinging cans filled with burning items. The game is played during the first full moon of the year in the lunar calendar, which is a national holiday in Korea. It is played during the time when fires are started on farmlands to exterminate harmful insects and rats by burning away their habitat. Another purpose of the game is to wish for good health.