Answer:
What force and strength cannot get through, I with my unique teeth can do. What am I?
I can be long or short. I can be grown or bought. I can be painted or left bare. My tip can be round or square. (one word)
One pace to the north. Two paces to the east. Two paces to the south. Two paces to the west. One pace to the north.
I am useless when together but useful when I am broken apart. What am I?
I build up castles. I tear down mountains. I make some men blind, I help others to see. What am I?
When is it bad luck to see a black cat?
What am I?
Animal
Difficult
Easy
Food
Funny
Kids
Logic