Answer:
Railroad Crossing, look out for the cars. Can you spell that, without any R's?
Every dawn begins with me. At dusk I'll be the first you see and daybreak couldn't come without. What midday centers all about. Daises grow from me I'm told. And when I come I end all code but in the sun I won't be found. Yet still each day I'll be around.
When set loose I fly away. Never so cursed as when I go astray.
I'll bring out your bulls and slow your roll. I may even come out of your skull.
The more you take of me the more you leave behind.
What has wheels and flies but is not an aircraft?
What am I?
Animal
Difficult
Easy
Food
Funny
Kids
Logic