Answer:
Things here are usually tagged with red stickers.
I am a protector. I sit on a bridge. One person can see right through me while others wonder what I hide.
My keepers feed me colored balls. With sticks they store on my den walls. Sometimes I store them in my pouch. Sometimes deep in my belly; ouch!
When it comes to me you go on red and stop on green.
I encourage people to run home and steal
What did the piece of wood say when he saw the screwdriver and screws approaching?
What am I?
Animal
Difficult
Easy
Food
Funny
Kids
Logic