Violins - probably a dozen of various sizes (5 girls all play violin)
Violas - I think 3 - one daughter switched to viola and she has a "nice" one and a "school" one plus my wife bought another one because it was a really good one that someone was unloading for cheap
Cello - 1
Guitars - 3 acoustic; 2 electric
Ukuleles - a few
Drum set
Grand piano
Digital piano
Electric key board
Flute
Trumpet
Concertina that belonged to my great-grandmother