Casio CTK-3000 Keyboard w/World Tour single X stand & Power Cord. 79767313531 | eBay
Casio CTK-3000 Keyboard Repair - iFixit
Casio WK-3000 Professional Digital Piano with velocity-sensitive keys, 790 sounds, rhythms, 146 rhythms, SmartMedia slot, Synthesizer and MIDI - Catawiki