Object: A typical child's room setting before it is cleaned: clothes, books, games, etc. strewn out across the room.

Good morning, boys and girls. Take a look at what has happened here. Have you ever seen such a mess? [Spread out all of the things that you can, so that it is representative of one of the worst rooms that you can imagine.] Do you know what this looks like? [Let them answer.] Have you ever seen a room like this at your house? [Let them answer.] Has your room ever looked like this before you and your mother cleaned it up? [Let them answer.] It is pretty messy, isn't it? It's also dangerous. Have you ever tried to walk through a room like this in the dark? If you ever did, I bet you stumbled or tripped. It is really dangerous and you can fall and get hurt in a room like this. …