This is meant to be fun so don't take it to seriously. You can use any
thing for a backdrop to your animation and use toys doles puppets and
anything that can de animated, like any modelling materials. But keep in
mind that this is fun and not meant to be to serious also be aware you
cannot use other peoples music or material in your animations without
copyright permission. Also keep your animations to about 30 seconds. So
keep it simple?
Click here for Animation Sound File Intro