One and not one.
17, 1 to hold the lightbulb, 1 to hold the ladder and the other 15 to drink whiskey until the roof spins
Three. 1 to screw it in and 2 to talk about how much better Neil Peart could've done it
They don't change it, they just take forever to find where to fit the batteries
Two, but how do they get in there
Make me one with everything.