The Primary Line FSC Soprano Glockenspiel features 16 metal bars and a birch resonator box. The note range is C3 to A4 with two F# and one Bb included. The Glockenspiel is an excellent tool for elementary school music education. Comes with a pair of SCH 95 mallets. Primary Line offers the most Orff (tone bar) instruments manufactured of wood from FSC (Forest Stewardship Council) certified forests – at no additional charge! All FSC models perfectly complement in pitch, timbre, and intonation of existing Primary Line models.