Answer:
I am a mother from a family of eight. Spins around all day despite my weight. Had a ninth sibling before founding out it's fake.
I am a creature with a βtightβ name.
Before I grow I'm small. When I'm old I grow tall. When I die I give a mighty fall.
I contain six letters, minus one and you got twelve. What am I?
I have cities with no people forests with no trees and oceans with no water.
The strangest creature you'll ever find: Two eyes in front and many many more behind.