Casio Keyboard WK-200, AC Adaptor And Stand | eBay
Casio CTK-900 Synthesizer Electronic Keyboard w/ Music Stand Pedal Power Supply | eBay
Synth History - Casio CK-200 [1985] Casio came out with some interesting little synths in 1980s. Many small Casio keyboards of this era combined keyboards with radio and cassette players or