1998 Neurosmith Music 5 Blocks Music Composition Toy w/ Mozart Cartridge works

This award-winning toy allows children to compose music by arranging electronic blocks, with each block side playing a unique measure of music. The console has five recessed slots for the blocks, and the toy can play different phrases of music, such as Mozart's Night Music, jazz, and African rhythms. It is designed to help teach youngsters colors, shapes, and sequence. The toy is suitable for ages 2-6 and requires 4 AA batteries. Originally came out in 1998.