I'll bet your dad has a bunch of these in his stash... maybe there's a way you could put the puppet head on the top of a test tube and then put some found objects, old keys and rocks and such into the tube. And then use a tube holder to display?
$6 ($16 with shipping) - Juicy Sunset 5"x7" Heather Brown art greeting card with envelope --- too poor to buy any of her original pieces but we saw her surf art in Hawaii and fell in love. one day we will have one of her pieces on our wall!! :)