User manual Casio Celviano AP-250 (English - 41 pages)
FITE ON AC Adapter for Casio Privia Digital Piano Keyboard AP-250 AP-250BK Power Supply - Walmart.com
Amazon.com: Casio Celviano AP-260 88 Key Digital Piano with Tri-sensor Scaled Hammer Action Keyboard II, 2 Track Recorder, 18 Tones, 128-note Polyphony, 2 x 8W Speakers and USB Connection (Black) : Musical Instruments