Markers, Pencils, Crayons, etc.
1. Roll your finger or thumb over the ink pad.
2. Make a print by firmly pressing the inked finger or thumb against the paper. Use different fingers to make prints of various sizes.
3. Wash your hands and allow the prints to dry for a few minutes. Then draw faces and other details on the prints.
~found in National Geographic Kids http://kids.nationalgeographic.com/kids/activities/crafts/fingerprint-art/