Then I brought out the challenge book by Rick Walton called Once There Was a Bullfrog.
It's an adorable story about a frog that's lost his hop and tries to find it. As the story is told picture clues help students try to form a new compound word.
I wrapped up my lesson by having students illustrate a retelling of the story I typed up.
Here's a sample:
I also have compound word products in my TPT store you might like: