Spend money to buy an early childhood education machine for children, but the children are left behind. Is it because the children really don't want to learn, or you didn't choose the right early childhood education machine?The other day, my colleague said to me with a helpless face that he had bought a morning teachin……

The words in the book are dead, and the words in the video can move, but they are not controlled by the child. Tango designs the letters into building blocks, and the child has the right to dominate. He can pick up the letters, listen to the pronunciation freely, and easily get how to pronounce the compound letters. Th……