Polar Bear's Underwear by Tupera Tupera

You only need to utter the word "underwear" and you will have the attention of any kid between 4 and 12 years old.  Polar bear has lost his underwear.  Polar bear and mouse begin searching for polar bear's missing underwear.  Using a series of cut out pictures, polar bear and mouse find lots of other underwear but not polar bear's.  But why can't they find polar bear's underwear?

Text:  4 Buckeye Leaves
Illustrations:  4 Buckeye leaves