This harmonica is a perfect introduction to making music for young children. It is easy to play and great to keep the little ones entertained. This classic harmonica is ready for every musical occasion and children can hold it easily. 10-hole, key of C harmonica. This harmonica is part of the New Classic Toys "First Melodies" productline. What is nicer than making music? Guitars, pianos, metallophones and other toy instruments for a lot of fun and musical development.