Illustration stock animation can be found on a variety of online platforms that specialize in providing stock assets such as Shutterstock, Adobe Stock, and iStock. These platforms offer a wide range of animation styles, themes, and topics to choose from, making it easier for users to find the perfect animation for their projects. Using stock animations can be a cost-effective and efficient way to add visual elements to your project without having to create them from scratch. However, it is important to ensure that you have the appropriate license for the animation you are using to avoid any legal issues.