Answer:
I have one, you have one. If you remove the first letter, a bit remains. If you remove the second, bit still remains. If you remove the third, it still remains.
A weighty currency.
What do people make that you can't see?
What do birds say when they fly home?
Causes dancing in children when it fills up.
What did the piece of wood say when he saw the screwdriver and screws approaching?
Funny
Animal
Difficult
Easy
Food
Kids
Logic
What am I?