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Casio (CASIO) Electronic Keyboard Casiotone CTK-240 Slim & Compact 49 Keyboard 100 Tones 100 Rhythm Compatible with 2 Power Supplies of AC Power and Dry Battery Easy to See LCD Screen - Walmart.com
Casio CTK-2000 Keyboard- W/Manual on Disc- Missing Battery Door 79767343446 | eBay