Probably some type of piccolo pocket trumpet.
Trumpet
Trumpet and piccolo trumpet (smaller, but less common) are the smallest brass instruments.
A standard trumpet(not a piccolo)usually has three valves. However, the higher-pitched piccolo trumpet has four.
There are other types of trumpets thata are smaller than a bflat trumpet. Such as, the piccolo trumpet, the pocket trumpet, and other smaller things like these.
The key of a piccolo trumpet is usually in B-flat or A. It differs from a standard trumpet in that it is smaller in size and has a higher pitch, producing a brighter and more piercing sound.
Probably some type of piccolo pocket trumpet.
Trumpet
Trumpet and piccolo trumpet (smaller, but less common) are the smallest brass instruments.
The highest pitched brass instrument is the Piccolo Trumpet. The next highest would be the soprano cornet and the soprano trumpet.
A piccolo trumpet is a trumpet with half the normal length of tubing. This allows it to produce pitches much higher than a normal trumpet.
A standard trumpet(not a piccolo)usually has three valves. However, the higher-pitched piccolo trumpet has four.
There are other types of trumpets thata are smaller than a bflat trumpet. Such as, the piccolo trumpet, the pocket trumpet, and other smaller things like these.
You must be referring to the Piccolo Trumpet.
It is half the size of a regular trumpet.
Trumpet or piccolo trumpet (less common).
their is a G trumpet. F trumpet B flat trumpet and a Piccolo trumpet being the smallest trumpet and an octive higher than a regular trumpet.