The age range is only a guide.  Please check the following:

This class is for learners who can:
- write their first name without a model or help
- identify at least 40 upper and lower case letters by name
- know at least 8 letter sounds
- demonstrate left-to-right reading direction
- ability to follow simple directions

If your learner cannot do the above list, this class may be too difficult.  

This class may be too easy if your learner can do the following:
-know all letters and their...