... to the pen, so one pen can read more books.3, Multi language supportFor example, we can use Chinese ... for children. 5,More interactive learningKids touch the books and hear the sound, they can also follow ... design many kind of touch game in the sound books, let chilsren to find something in the pages, ... help our customer to design theirown styling pens and books.POP TOTS : Size: 210*281mm Pages: 75PP(1A ...