The 3 extra tones makes it possible to either use it diatonically: c’ d’ e’ f’ g’ a’ h’ c’’ or pentatonically: h d’ e’ g’ a’ h’ d’’ e’’. Play it as you like.

Acacia wood plates, birch wood frame, 8+3 tones, diatonic, 2 mallets, range: d-e-g-a-h-d’-e’