Charge according to the number of classes. Kawara Tsutomu factory was successfully established on August 26th, 20 13. It is the brand of Beijing Youyou Baby Education Consulting Co., Ltd., and it is charged according to class hours. 69 yuan has three classes (original price 1380 yuan), with 2 class hours each. It is valid within one month from the start date, and three courses are completed within one month.