1 to hold the bulb in place and 100 to spin the house around it.
Because they're 90 degrees!
Roofs.
The boy stumbles: "Well euhm ... nothing I guess." "Thanks, I'll have 2 million drops then"
1.. 2.. 3.. BOOM
A louger.
Just one. They hold it in place while the world revolves around them.
The 100 Meter Sprint
Throw a tin of beans in there ..... How do you get them back out of it? Run past with the tin opener .....