What is the collective noun for mouse computer?

There isn't a widely recognized collective noun specifically for computer mice.

Here are some options you could use:

Informal:

* A bunch of mice

* A pile of mice

* A set of mice

* A collection of mice

More creative:

* A click of mice (referencing the clicking function)

* A scroll of mice (referencing the scrolling function)

* A swarm of mice (if you have a lot of them)

Ultimately, the best choice depends on the context and the desired tone.