Sweet Casio CTK - 501 / 518 MIDI Keyboard with Power Supply Cord | Reverb
Casio Ctk-501 Grey | Reverb
Amazon.com: MaxLLTo 9V Power Supply Cord Charger, 6 FT Extra Long Replacement AC Adapter for Casio Keyboard CTK-500, CTK-501, CTK-510, CTK-511, CTK-515, CTK-518, CTK-519, CTK-520, CTK-520L, CTK-530 : Musical Instruments
Casio CTK-501 100 Song Bank Keyboard, 61 Full Size keys, Chord Book, Tested! | eBay