Surgical saws.

Or did you mean musical instruments? In that case, piano. Great for solos and such.

Theremin.

I don't care how ridiculously hard it is to play, that thing is awesome.

French Horn, cuz I used to play it, and it's just awesome.

Vuvuzela. I. Want. One.

I. WANT. TO. KILL. YOU. NOW. .

I play the Piano, so naturally it's my favorite. I can't really say why.

It's sort of my goal in life to be able to play all instruments in the world - ask me again in 50 years when I'm done.

Well, I do love the saxophone (which I play), but I think I like the bass guitar more (which I also play).

I love the Saxophone's jazzy, laid back sound. It's pretty sexy, if you ask me.

But the bass, you can do so much with a bass. And it does have an amazing feel to it.

Trumpet. 6 years of it. Now retired.

I was in the marching band for 2 years of high school, and i took music improv last year, (sophmore year of HS), we did a bunch of jazz and tried streetlight manifesto (absolute fail) Still love the trumpet and jammin to any song with a trumpet on the radio.

Violin, Piano, Ocarina.

Violin because it's just awesome and beautiful, plus can even be used in rock music. Piano is so versatile and soothing. Ocarina because Link plays Ocarinas (XD) and they're just awesome.