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Title: Detrimental to a child's music education!
Review: First, the physical puzzle is fine. Just don't put the batteries in. Unless you want your child to learn to distinguish between bland, non-descript synth patches from a cheap Casio keyboard.How hard could it have been to use an actual recording of the instrument for each piece? This company could easily use a public domain wave file, or better yet, ask some musicians or music educators to contribute a short melody. You wouldn't need access to an expensive recording studio, either. Today a cheap $300 handheld record would do the trick.
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