Answer:
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!
I am the kind of dog that chases anything red. What am I?
We applaud if you perform well.
Crooked as a rainbow and slick as a plate ten thousand horses can't pull me straight.
I'm tall when I'm young and I'm short when I'm old. What am I?
Two little holes in the side of a hill. Just as you come to the cherry-red mill.