Well done! You've found the saxophone!
This conical instrument belonging to the woodwind family. The saxophone is the only woodwind instrument made from brass, but like all other woodwind instruments, a wooden reed is used to create vibrations air is blown from the top of the instrument.
There are many different types of saxophone including Soprano, the Alto, the Tenor and the Baritone saxophone, with differences to their shape and sounds. You do not have to change the fingering when playing different ones.
The saxophone is a popular jazz instrument.