Four. According to official website of Yulin Abacus Museum, Yulin Abacus Museum is divided into the history of abacus development. The abacus collection spans from Tang Dynasty to modern times 1000 years, data classification. The main materials are gold, silver, copper, iron and jade bone wood porcelain. Folk meanings, different shapes and exquisite craftsmanship show the profound historical background and cultural connotation of abacus culture. Educational practice shows the vitality and influence of China abacus in different historical periods in four exhibition halls. China Abacus Museum is located in the cultural tourism block of Confucius Temple in Yulin City, with a total investment of about 40 million yuan and an exhibition area of about 2 100 square meter, with 9,999 pieces of abacus on display.