Casio's LK-175 makes learning to play the piano entertaining and fun. The lighted keys and Casio's Step up Lesson System provide instruction and assistance allowing you to gain experience and eventually play on your own. The LK-175 is much more than an instructional keyboard. It offers 61 piano-style lighted keys, a Sound EFX Sampler with built-in Microphone, 400 Tones, 150 Rhythms, 110 Songs, 48 Note Polyphony, USB MIDI, Step up Lesson System. The LK-175 has more than enough features to take you beyond the initial learning steps.