Answer:
Makes dough grow
Ambitious people will climb the social version of this contraption.
Seven brothers, five work all day, The other two, just play or pray.
What kind of room doesn't have physical walls?
Other terms for this handy device include doohicky, doo-dad, and whatchyamacallit.
I am a cave full of bones and the house of a worm.
Easy
Animal
Difficult
Food
Funny
Kids
Logic
What am I?