For younger children brainstorm words beginning with a “W” which can later be put in a Wordle form. For older children, brainstorm adjectives about whales or Dolphin/Whale body parts/things eaten by whales and dolphins etc. You can also take the activity further by making a wordle of your list of words/putting words in alphabetical order etc.
Check out my 2nd grader’s wordle of whale adjectives
and my Kindergartner's wordle of the “W” words