Two. One to hold it in place, another to rotate the universe around it.
All, to save this world from the darkness.
Depends what you want it to change into...
The bulbs IN and it's staying IN!
None. They don't have lightbulbs in caves
Age
You only need one nail to hold up a picture.
Bed
I remember when we used to make stuff in this lazy country!
Yo, duh.
Two! one to change the light bulb and the other to rotate the universe!
Two, one to hold the bulb and one to rotate the universe.