Billy is having a birthday, but he has more than turning a year older to celebrate—Billy is growing up! He used to wear a diaper and drink from a bottle, but now Billy has real underpants and drinks from a cup. He is learning how to write with a pencil instead of a crayon, say his ABCs, and sit in a booster seat instead of a high chair. Soon, Billy will ride a bicycle and tie his own shoes! Billy is a Big Boy celebrates a child’s first accomplishments and encourages them to dream of all the things they will soon be able to do. Record your child’s milestone achievements on special pages just for them!