No-Mess Finger Painting is a great activity for when you want to keep kids busy without getting out a ton of supplies.
Learning and Exploring Through Play: Mess Free Finger Painting
Mess Free Finger Painting for Kids : 8 Steps (with Pictures) - Instructables
11 Easy Preschool Art Projects and Ideas - Kids Activities Blog
No-Mess Finger Painting for ToddlersYes, No Mess!
No Mess Painting in a Bag Earth Craft
Homemade Finger Paint - Natural Finger Paint - Fingerpaints
Indoor Kid's Activities
No-Mess Finger Painting for ToddlersYes, No Mess!
Color Wonder Finger Painting Activity Book, Crayola.com
No Mess Finger Painting - The Crazy Craft Lady