My Big Book of Firsts is a 2009 Sesame Street storybook. The book features Sesame Street characters demonstrating the first experiences that a child is likely to have, including using the potty, going to the doctor, taking a trip, getting a haircut, the first day of school, a field trip and a visit to the library.

The book features fifteen childhood experiences including the following:

• Elmo experiences the first day of school.
• Zoe gets a new tricycle.
• Bert and Ernie take swimming lessons.
• Big Bird takes his first airplane trip.
• Baby Bear gets a new baby sister.
• Abby Cadabby has her first sleepover.
• Elmo builds his first snowman.