Using neon colors of clay, make awesome extra-terrestrial erasers like robots, rockets, and astronaut pals. The special clay turns into a real eraser when you bake it in your kitchen oven. Includes four blocks of eraser clay (2.6 oz. in all), molded eyes, a custom shaping tool and step-by-step instructions to help you make 15 out-of-this-world erasers. For ages 8 and up.