Animation is a series of images, each slightly different from the last, shown in sequence. When they are shown fast enough, we stop seeing the individual images ...Animation is a series of images, each slightly different from the last, shown in sequence. When they are shown fast enough, we stop seeing the individual images and instead see an illusion of motion. There are many ways to create the individual images including hand drawings and photographs of objects. Pixar makes their images with virtual 3D models and sets.