Qiao Hu teaches his baby to learn through books, vcd, toys and parents' books. Since he has been studying for half a year, let's see if the baby likes it, is willing to imitate it, and can arouse the baby's love. When the baby is young, it is very important to have your own wishes. Only he likes it, and the learning effect is good.
The other two brands are also quite good, each with its own emphasis!