What is wanda petronski physical traits in the hundred dresses?

Wanda Petronski, a character in "The Hundred Dresses" by Eleanor Estes, is described as a shy, quiet girl with a Polish background. She has a unique physical trait of being different from her classmates, as she often wears the same faded blue dress instead of the more fashionable clothes worn by others. Her name and accent also set her apart, contributing to her classmates' teasing. Despite her modest appearance, she possesses a rich imagination and creativity, particularly evident in her drawings of dresses.