I got one to try it out.
The sound is worse than I imagined, and while this is part of the charm, it is a bit rough on the ears.
This small variant has the notes far too close together, especially on the second part of the instrument neck, so it is quite difficult to play.
I would have likely preferred fewer notes with nore space between them.
About 2.5 octaves range - a single octave would have been more playable.
The neck of the instrument has some flex and feels like it will snap as I try to use it. The strip on which you play also takes significantly more pressure to play than expected.