The Department of Fine Arts Started its construction in 1960 in the Sukhothai archaeological site, using a government budget combined with proceeds from sale of molded Buddha images obtained from the renovative and reconstructive excavations of ancient remains in the old town of the Sukhohai. Its construction was completed in 1963. The Character of the Ramkhamhaeng National Museum building is thatof an applied Thai - style 2 - story building. Their majesties the King and the Queen opened it on January 25,1964.        Subsequently, in 1983, the government allotted an amount of Baht 3 million from the budget for the construction of a building in the Ramkhamhaeng National Museum compound marking its participation in celebrating the 700th anniversary of Lai Sue Thai, the Thai letters of the alphabet, and named this building "Lai Sue Thai Memorial Building". His Royal Highness the Crown Prince opened it on November 17,1983. Presently, this building is used as an auditorium and temporary exhibition hall.