This document describes the healthy development of a virtual child named Maxine from birth through age 14. It outlines her development along physical, cognitive, and social/emotional dimensions at various ages. Key milestones include learning to sit up at 3 months, saying first words at 12 months, learning to use the toilet at 2 years, having tantrums at 3 years, having long attention spans and coloring at 4-5 years, enjoying songs and following rules at school at 6-8 years, showing interest in friends and activities at 8-10 years, and increased interest in friends and magazines at 12-14 years.