Elliptical Speaking Tube

"Explore the Echoing Fish: A Sound Adventure! Inside this fish, there's a special shape called an ellipse, like a stretched-out circle. When sound travels from one end to the other, it bounces off the walls and converges, meeting up in a special way. The mouth and tail openings act like doors, guiding the sound to create a cool echo effect. It's like a secret sound chamber in the belly of the fish!"