"Uncle Wiggily's Fourth of July" tells the story of Uncle Wiggily, a kind bunny rabbit gentleman, who learns of a sick boy unable to celebrate the Fourth of July with fireworks. Feeling sympathetic, Uncle Wiggily gathers green puff balls from the woods, which make a popping sound when squeezed, and delivers them to the boy, creating a safe and fun alternative to firecrackers. In the evening, he enlists fireflies to create a dazzling light show. The story emphasizes the importance of compassion, creativity, and finding joy in simple things, teaching children that even small acts of kindness can bring happiness to others.