Answer:
I start new then become old. Start clean but be one dirty. I usually start big then become little.
I am the word that is always spelled correctly by everyone.
My keepers feed me colored balls. With sticks they store on my den walls. Sometimes I store them in my pouch. Sometimes deep in my belly; ouch!
Squeeze me and I cry tears as red as my flesh but my heart is made of stone.
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.
What an fill a room but takes up no space?
What am I?
Animal
Difficult
Easy
Food
Funny
Kids
Logic