左至右 left to right 1. oxford reading tree 1-3 $$200/33 books 2. I can read biscuit dog $250/21 3. I can read Pete the cat $280/24 4. The magic school bus $238/20 5. Fly guy presents $180/12 6. Uk oxford reading tree level 7$210/18 7. Same set of (6)
-------------------- 1. to 3) for 3-5y 2. 4) to 7) for 5y-8y