An engaging pattern for a children's t-shirt design showcasing an underwater world brimming with life and excitement. Cute and friendly fishes, with their playful expressions, swim amidst a colorful array of underwater plants, while a brave diver with a snorkel and flippers explores the vibrant depths. The design, created in a whimsical clipart style, incorporates a mix of bold and pastel colors, making it an eye-catching and joyful addition to children's wardrobes, inspiring a love for nature a