Corrected sentence:
A pelican's pouch is a snack sack: scoop up the fish, shake off the water, and chomp away!
Why this is better (easy words):
- We added the word "A" at the start so the sentence sounds complete.
- We put a comma before "and" because there are three actions: scoop up, shake off, and chomp away.
- The colon (:) is okay here because what comes after it shows how the pouch is used — it gives the actions.
Simple version for little kids:
A pelican's pouch is like a snack sack. It scoops up fish, shakes off the water, and then chomps them up!