Easy and fun to play, this flexible, portable roll-up instrument is diatonic and perfectly tuned to combine with other instruments in classroom ensembles. Press a button to change timbres (xylophone, glockenspiel, celesta, tubular bells, music box, vibraphone, and marimba). Powered by 4 AAA batteries or USB power cord, it features a built-in speaker, record and play buttons, demo, volume control, and audio output for headphones or external speaker. This handy xylo-on-the-go includes a percussion pad, plastic mallets, color-coded song booklet, batteries, and USB cord. 25" x 6".