The convivial festival, indigenous to Isan region is held during on the second week of May on the purpose to create harmony amongst the residents and to appease gods for rains and prosperous food. The residents grouped up in team to build the bamboo rocket, which will be decorated and filled with niter. The shapes of the rocket vary but most of them are made into spraying-water naga. The festival also includes all-night music and dance performances, street parade of the rockets accompanied by music and dance and the launching of the rockets.