Children 49 Keys Electronic Piano Music Keyboard. This child’s keyboard is an easy and fun way for kids to learn how to play the keyboard. Research has proven that children who play an instrument do better in school, build self esteem, and make friends more easily. 49 Accordion size Keys, 8 Timbres, 10 Rhythms, 8 Percussions, 8 Demonstration Songs, 25 Speed Adjustable Tempo, Chord / Vibrato / Sustain / Fill in Bass, Auto Bass Chord Function / Single Finger and Fingered, Chords Large Scale Integration / Matrix Controlling, Dimensions: 34″ (L) x 14.5″ (W) x 5″ (H), DC 9V/AC 110V, For Ages 3 –12. Uses batteries (not included) or power connector (Included).