Carrie Crocodile's Lunch

CONCEPT: What is the PKU Diet?



Read a story about Carrie Crocodile who has PKU. She explains what she can and cannot eat to her friend Alicia Alligator.



After completing this activity, children will be able to:

  • identify "yes", "no", and "maybe" foods
  • state that "no" foods are foods that are higher in protein
  • understand that they need some protein for growth, and their formula provides them with the protein they need
  • state that high protein foods are also high phe foods



  1. Read the story Carrie Crocodile's Lunch.

  2. Discuss the story with the children, with questions such as:

    • What foods made Carrie sick?
    • What did those foods have that made Carrie sick?
    • What foods were okay for Carrie to eat?
    • What does Carrie do if she doesn't know if a food is okay to eat?
    • Where does Carrie get the protein she needs to grow?
  3. Talk about different foods:

    Hold up food models or pictures of foods and ask the children to identify them as "yes", "no", or "maybe" foods and why. Go around the table and let each child do one food. Discuss each food, which category it goes into, and why.
  4. Distribute the worksheet and help the children work through it. Discuss the answers with the children.



  • Models or pictures of a variety of foods
  • acrobat reader logo Worksheet
  • Pencils or crayons



[top of page]