https://musiciselementary.com/product/series-1600-soprano-metallophone-chromatic-add-on/
Series 1600 Soprano Metallophone, Chromatic Add-on - Music is Elementary
Nov 17, 2025 - Add-on box, C#, D#, and G# bars only. Combine with the diatonic unit to a make a fully chromatic soprano instrument.
soprano metallophonemusic isserieschromaticadd
https://www.drumpartsmatch.com/harmony-range-soprano-chromatic-half-metallophone-2/
Harmony Range Soprano Chromatic Half Metallophone | Drum Parts Match
drum partsharmonyrangesopranochromatic