The Munchkin Mozart Magic Cube teaches how sounds combine to create baby's own Mozart masterpieces. View larger. The Munchkin Mozart Magic Cube offers: Sounds from 5 instruments. Soft, rounded corners for baby's safety. Fun and entertainment for babies of all ages. Music Education in a Cube Fun, creative, and inspiring, the Magic Cube teaches how sounds combine to create eight Mozart masterpieces. With a touch of a button, this interactive cube lets your child add or subtract from any combination of five different instruments, including harp, French horn, piano, flute, and violin. Each selected instrument button flashes along to the beat of the music. An orchestra button even plays all the instruments at once. Baby-Safe Design Designed with durable plastic construction, the Magic Cube features bright colors such as yellow, green, purple, and magenta. Made with soft, rounded corners, it's easy and safe for baby to hold. The 6-inch cube requires three AA batteries (not included).