Boun Bang Fai (Rocket festival) is annual tradition in May of Laos. This festival has been believed to be helpful in term of agricultural aspects and also in relation of asking help from God of Rain. In the past, these rockets made up by bamboo and gunpowder. Meanwhile, due to advent of technology, rockets are being made by other materials. This festival is celebrated all througout the village of Natham, Nasorn, Kern and all neighboring regions of Laos.