识字儿歌 (Word Songs) have wonderful Chinese nursery rhymes for beginner learners. Mandarin audio CD helps teach common vocabulary.
DailyNoodles Chinese Activity Books have fun crafts, coloring, matching games, and more! Chinese numbers and animals are taught with English instructions.
The Greenfield 我自己会读 I Can Read series has 96 short, humorous children's stories that are illustrated beautifully and build reading confidence. The CDs give exposure to native Mandarin or Cantonese. In addition, workbooks and flashcards are included.