Sonor’s 5 Piece Primary Line Orff Instrumentarium Set offers a simple setting & foundation in which to build upon & grow into a complete orff set over time. Includes an alto glockenspiel, soprano metallophone, alto metallophone, soprano xylophone, & alto xylophone. Glockenspiel and Metallophones feature aluminum bars while the xylophones feature high-quality African Rosewood. All instruments have note names and notation symbols printed in the center of each bar plus flexible rubber pins for easy bar removal and replacement of bars.