192 class. Tian Yangguang's whole brain exercise book has 192 lesson. Tianyang Whole-brain Education is the first training institution in China to formally set up whole-brain education research and development. It was founded in 2002 and its headquarters is in Beijing. From 65438 to 2006, he devoted himself to the whole brain education of children in China, aiming at the whole personality education and emphasizing the cultivation of mind.