What about the teaching material of Handan Golden Brain Arithmetic? Have you ever used the garden to talk about your feelings?
There used to be more than 60 children in our kindergarten. After using this course, there are now over 200 children. It is mainly a mental arithmetic, without using any tools. It can solve the problem soon, which is especially beneficial to enrollment. There is too much competition now. Try it if you want, and don't be afraid of change.