It's a nice colored pencil/ shading/ teaching value lesson. Medium blue construction paper is used for background, and color is added with a darker shade of blue for the shadow side and white for the lit side.
Paper Snowman Craft - Easy Peasy and Fun Paper Snowman Craft - easy little snowman made of paper strips. It would be fun craft to do with kids for winter! Really want great hints concerning arts and crafts? Head out to this fantastic site!