Sound Book 1)lower MOQ 2)direct factory 3)OEM accept 4)fast delivery Sound Booktype:children book,study bookaudience:childrencontent:words and vocabulariesmade from paper and boarda book that can play,make a sound and musicwith vividly comic pictures and english wordsenhance children's interest of learning,makes learning funny and easy,develop children's ability of all aspectsenvironmental ...