Answer:
A crafty use of long pieces of wool to make a scarf.
Once you know it exists, it no longer exists. What is it?
What is all over a house?
You have it even if there is none.
What starts with the letter T, is filled with T and ends in T?
I am a room that has a roof but no walls. What am I?
Easy
Animal
Difficult
Food
Funny
Kids
Logic
What am I?