For parents, the childs enlightenment stage is the most critical, are you still confused and worried about childrens learning? When you are busy working, you can teach children to learn, you still feel helpless?
Lettersornumbers is a game and learning tool to help children learn simple calculations of letters and numbers, including blue and red chess, looking for different colors and other functions, so that children grow up in the process of learning and entertainment
Solemnly declare: this application has nothing to do with Apple Corp