Otamatone [Color Series Japanese Electronic Musical Instrument Portable Synthesizer from Japan by Cube/Maywa Denki [English Version] [Regular Size]-Yellow: Amazon.de: Spielzeug
Easy Ways to Play an Otamatone: 13 Steps (with Pictures) - wikiHow
Otamatone – Wikipedia
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Otamatone "Deluxe [Kirby Edition] Electronic Musical Instrument Portable Synthesizer from Japan by Cube / Maywa Denki -