These lessons are only to be used as supplements to Puberty: The Wonder Years, not as stand-alone lessons. They are optional because they are not critical to the primary goals of Puberty: The Wonder Years. They extend the learning in the core lessons by teaching about the following topics:
- Lesson A: Building Blocks of Life
- Lesson B: Dominant or Recessive
- Lesson C: Fetal Development
- Lesson D: New Life
- Lesson E: Understanding Ourselves and Others
- Lesson F: Sexual Abuse Prevention
- Lesson G: Preventing Pregnancy and STIs
- Lesson H: HIV and STIs
