EasyBall is a track ball mouse designed for kids ages 2 - 6. ??Included in the package is Freddi Fish and the Case of the Missing Kelp Seeds from Humongous Entertainment. Excellent value for parents. The leading kid's input device and a popular kid's title in the same box! Large trackball encourages gross motor movement which is easier for kids in this age group. Single, large button means kids don't make mistakes either missing the button or pressing the wrong one.