A felt ball is a small, spherical object made of felt, a textile material produced by matting, condensing, and pressing fibers together. Felt balls are often used in various crafts, DIY projects, and decorative purposes. They come in a range of sizes and colors, and people use them for activities like making jewelry, ornaments, garlands, and other creative projects. Felt balls can be made from natural or synthetic fibers, and they are known for their soft and tactile qualities, making them popular in crafting and design applications.