It only takes two mice to screw in a light bulb. The hard part is getting them in there.
By holding the bulb up to the socket and waiting for the world to revolve around them EDIT: Rip inbox EDIT 2: Thanks for the gold!
One.
They grab the stack of un-signed adoption papers, stand on top of them, then proceed to change the light bulb.
Why does it have to be a group activity
getting the wheelchair in the oven.
Teaching the chicken to cook
A mouse organ !
I said to watch him like a hawk! ME: soaring 20m above w/ a beakful of mice I AM