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 best thing that can happen after a stick hits a ball.
What has 4 fingers and a thumb but is not living?
My second is performed by my first. A thief by the marks of my whole might be caught. What am I?
I'm a god a planet and a measurer of heat. Who am I?
Written on with words of white, Has the color of the night, Is the teacher's best delight, And a student's daily fright