10hole Diatonic Harmonica Key C Blues Harp Early Education Music Sense Training

There are two reeds in each sound hole, each of sound hole can emit two sounds (Suck and blow), so there are 20 tones. Number on the harmonica body (1-10) reprensents the pitch,the more big number, the more high pitch.Just blow or suck the hole with the number on the harnonica,It's very easy for everyone.

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