Heres whats left after the dissection. This guy was singin "right about now" some rap sounding song had the bling bling and all that.
so I skinned him and shut him up.nice little battery tray AA size the only bad thing is the speaker is built in.

 

Heres a shot inside, a rubber belt drive. this is looking in from the top

 

 

could give a good walking motoin for a simple bot