The 2006 Little Einsteins Symphony Composer Musical Sound Toy is a fun and interactive toy designed to stimulate young minds and develop musical abilities. This toy allows children to create their own musical compositions by pressing different buttons to hear various sounds and melodies. With a cute and playful design, this musical sound toy is sure to provide hours of entertainment and learning for little ones. Perfect for preschoolers who love music and creativity, this toy is a great way to engage and educate young children. Tested and works. Will need 3 AA batteries