Why does it have to be a group activity?
Two. One to hold the bulb, and another to spin the story until the bulb fits.
A hundred but they'll all be competing to be the one to change the bulb and bring light to the world.
2. One to screw it in and another to say, "I could do that".
Two: one to get it 95% done, and the second to give it the twist at the end.
Don't worry, they'll tell you.