Make easy colored coffee filter flowerswith some solubility science—a pretty spring craft for preschoolers and older. Learn how to make the Simple and Easy cutest coffee filter flowers for spring or summer! These are so easy, inexpensive, and FUN for kids of all ages. These are perfect for Mother’s Day, May Crowning, and other spring activities. It’s time to turn the filters into coffee filter flowers when they have dried. Fold the coffee filter in half and pinch the bottom center. Paint the coffee filters using watercolor paint with a lot of water. Alternatively, add designs with washable markers and use plain water and a paintbrush.