Kids love filling a canvas full of color, and these tempera paint cakes are the key to their creativity! A great addition to classroom art supplies, these tempera cakes offer all the brilliance of liquid tempera with none of the mess. Simply use a brush and water to paint! Safe and non-toxic. (6 pcs. per unit) Each paint cake is 2" diam. Washable from most surfaces with soap and warm water. Conforms to ASTM D-4236.