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-100 Portable Beginners Keyboard w/ Power Supply - Tested and Working | eBay
CASIO CTK-100 Portable Beginners Electric Keyboard - Tested | eBay