On December 26, 2025, a group of 299 teachers and students from grades 1-6 of secondary school from Huay Phueng Pittaya School, Huay Phueng District, Kalasin Province visit the Treasury Museum in Khon Kaen Province. To study and learn about the history of Thai currency and the currency of the Lan Xang Kingdom in northeastern Thailand, as well as the economic development of northeastern Thailand and Khon Kaen province. Museum staff welcomed the group and guided them through the exhibition. We sincerely hope that the group gained knowledge and understanding, as well as having a positive and memorable visit.