Answer:
You can read it both ways, I wear; One way it's a number, reversed a snare.
The itsy bitsy teeny weeny yellow polka dot variety is quite popular.
My first is nothing but a name; my second is more small; my whole is of so little fame it has no name at all.
Forward I’m heavy, but backwards I’m not.
What has 3 feet but cannot walk?
When is it bad luck to see a black cat?
Difficult
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?