Answer:
I am always hungry, I must always be fed. The finger I lick will soon turn red. What am I?
I run up and down the stairs without moving
What invention lets you look right through a wall?
I am black when you buy me, red when you use me. When I turn white, you know it's time to throw me away. What am I?
I have a little pool with two layers of wall around it. One white and soft and the other dark and hard. What am I?
When is it bad luck to see a black cat?
What am I?
What am I?
Animal
Difficult
Easy
Food
Funny
Kids
Logic