Recognizes the combined melody block , by playing the sequentially sound having the pitch due to height of the melody block , block toy is disclosed for music education to play the melody . In order to display the melody block to be played while playing a melody , the melody block emits light . The uneven pattern formed on the lower sides of the melody block is detected by the mechanical switch , it is possible to identify each melody block . To be able to visually understand the music , it can be useful for emotional and music training of children .
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