You will find the Change My Avatar page in the About Me section. Log into a Child Profile and select the About Me panel on the home page. You can also reach the About Me section from anywhere on the site by clicking on the Avatar image displayed at the top of the menu column on the left side of the window.
The profile Avatar is an animated character that can be customized with many different clothes and features. These items can be purchased in the Shopping Center or earned from completing Lessons on the Learning Path.