Contents: Xylotone Fun! packs combine fun and education all in one colorful package. Children will have so much fun playing this 10-note electronic keyboard with color-coded songbook that they wonÕt be able to put it down! The Xylotone was built to be portable, durable, and long-lasting and even includes replaceable batteries for years of fun! The special songbook includes simple instructions, song lyrics and E-Z-number notes that any child can master in minutes! Of course, the best part is the fantastic selection of songs sure to delight any child.Songs in this songbook are color-coded to be easily played on the xylotone. Key 1 on the xylotone corresponds to C in the musical scale.