Probably children between 7 and 9 years old because they have already learned how to read and write but they still have a limited vocabulary range comparing to older people. Also, they do not fully understand written instruction and recreate them in their own minds, the visual cues helpthe written language.
The woman is in the middle of the woods at night. She is wearing a white shiny cloack, maning she is important in her society, and she carries a vase meaning she is completeing a ritual or an important daily task.