Size: 5.5 x 8.25Color: Assorted 6 ColorsNontoxicBrush on any surface!Creativity Street Tempera cakes are an economical source of brilliant, opaque, nontoxic tempera paint.Just wet with water.For a bright velvet texture, brush on any surface (even glass).No more messy spills! When colors are mixed directly on the blocks, simply rinse with water for a fresh new surface of pure color.Each tempera block is 2.25 in diameter.One tempera block will cover more than 16 ounces of liquid tempera.Both assortments include: Red, Yellow, Blue, Green, White and Black.Nine color assortment also includes Brown, Purple and Orange.