Crayola 5-ct. Paint brushes keep the paint flowing and your child's creativity growing. These Crayola paint brushes include 5 high-quality brushes made of 100% natural hair in assorted sizes. These brushes are a great addition to any child's paint set. Product dimensions (inches): 0.4 (L) x 3.4 (W) x 9 (h)age: 4 years and up.