Sponge painting is a quick, simple way to make dull interior walls dramatic. With just a sponge, a can of glaze and a few paint colors you can transform your house.
Sponge painted wall ideas
How to Sponge Paint Instructions: Tutorial for Sponge Painting Walls
SPONGE PAINTING: Simple process art that toddlers will love; an easy art activity for toddlers; process art for preschoolers
Elmer the Elephant Sponge Painting Art Activity for Preschool and Kindergarten ~ BuggyandBuddy.com
I think I'm going to do this for Grayde's baseball wall :)
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Preschool Art Project: Sponge Painted Train Craft for Kids based on Freight Train