Answer:
If you have me you want to share me. If you share me you don't have me. What am I?
My first is in riddle but not in little. My second is in think but not in brink. My third is in thyme but not in time. My fourth is in mother but not in brother. My last is in time but no t in climb.
I fill a room but take no space.
I run up and down the stairs without moving. What am I?
In many hall ways you would stand if not with me in hand.
A little house full of meat, no door to go in and eat.
What am I?
Animal
Difficult
Easy
Food
Funny
Kids
Logic