Answer:
I have wheels and flies yet I am not an aircraft.
When you buy me I am costly, but the only use I have is hanging only. What am I?
I'm tall when I'm young and short when I'm old. What am I?
I am a protector. I sit on a bridge. One person can see right through me, while others wonder what I hide. What am I?
Weight in my belly trees on my back nails in my ribs feet I do lack.
A little house full of meat, no door to go in and eat.
What am I?
Animal
Difficult
Easy
Food
Funny
Kids
Logic