... OEM 5. 32 pages per book Preschool Audio Book This set of audio books including: National Studies, English, Pinyin, Cognitive, ... Talking pen for the sound books "Preschool Sound Book " The reading pen is a popular Kid's ... need, we can help them to translate these book to their own language. main functions:1. Point ... when they out of home,child can point the book and hear the story of parents voice. 2 ...