... clothing,festival,foods,animal,plants,politeness and so on.3. Every unit has the contents as Story,Words, ... sound books "English i like" Reading pen for sound book Reading pen main functions:1. Point to read2. Repeat3 ... when they out of home,child can point the book and hear the story of parents voice.2. Download ... and easy play by the pen.3. Every page of the OID book has printed a record icon, children ...