The soft piano pad is portable and flexible. Easily roll out while playing and roll it back up into the box or your backpack after you are done playing. Take it with you anywhere, even when you go outdoors! The colorful piano keyboard features a unique Play-By-Color song booklet. The best educational piano keyboard for kids to follow the colors and learn to play whole songs. Color-coded 49 standard keys allow you to play tons of music without taking up space. The silicone piano set also includes multiple keyboard tones and demo songs, record & playback, echo/sustain, built-in speaker with volume control, and audio output (for headphones or speaker) for you to play it out loud or quietly. The silicone piano keyboard is powered by 4x AAA batteries or USB (cord included), so you can play anytime & anywhere! The box consists of the original rainbow piano, play-by-color song booklet, USB power cord, and user manual. Perfect for everyone from beginner to master, children to adults - rock out then roll it up!