I recommend you to choose pea thinking. The child is going to go to class soon, and I signed up the math thinking course of pea thinking for the child. The teacher who feels pea thinking is particularly responsible, and its courses are also very interesting. After all, the child is still young. At first, I asked him to go to class. I was worried that my child couldn't sit still, but with the guidance of the teacher and the help of various interesting interactive links, my child became particularly serious in class.