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 help you carry your books.
My head bobs lazily in the sun. You think I'm cute for my face is yellow my hair is white and my body is green.
I let water fall on you while everyone else stays dry. What am I?
It's red liquid but not liquid and it's not red. What is it?
Whoever made me don't want me. Whoever bought me don't need me. Whoever use me don't know me.