MahJong is a game, entertainment equipment invented by Chinese during the Qing dynasty. It consists of small rectangular blocks made of bamboo, bone or plastic, each of which is engraved with a pattern or inscription. Each pair of MahJong in North China has 136 cards, while that in South China (called sparrow/麻雀 in Guangdong, Hong Kong, Macao and Southern Fujian) has eight more cards, namely: Spring, Summer, Autumn, and Winter; Plum, Orchid, Bamboo, and Chrysanthemum, 144 cards in total. In April 2017, the International Mind Sports Association (IMSA) announced that MahJong had officially become one of the world intellectual sports program.