OK then

Hanging on the wall:
1 rebab (Arabic one-string fiddle)
1 washboard
Tabor

Elsewhere:
In use:
D/G melodeon
C/F (Club) melodeon
30 key anglo concertina C/G
Bodhran
Various harmonicas
Yamaha Acoustic guitar (steel-strung)
Acoustic guitar (Nylon strung)
Tabor pipe (3 hole whistle)

Not in use:
2 Yamaha keyboards
Jews harps
Fiddle
Flute
Autoharp
Recorders
Tin Whistles


Oh yes, musn't forget the Casio VL-Tone - antique?
Used to use it for recording and playing back song parts, to learn.