👉 Seashells are small, round, and often colorful marine organisms. They are typically found in bodies of water like oceans, rivers, and lakes, and can be found on rocks, beaches, and other natural surfaces. Seashells come in a variety of shapes and sizes, including round, oval, triangular, and square-shaped ones. Some species of seashells are used as ornamental decorations or for their medicinal properties. Seashells have been used by humans for thousands of years to