"Create bold strokes of color and watch them magically change when you add water. These washable watercolor gel crayons sparkle with a rainbow of metallic hues. 12 water soluble, non-toxic markers are included, each with a twist up mechanism. If you run low, just turn the barrel for more color! Add a wet paintbrush for watercolor effects for truly unique works of art. Set of gel crayons with 12 metallic, sparkly fun colors Add water for an amazing watercolor effect Twist up action to protect crayons Water soluble Will not dry out Washable Non-toxic Suitable for ages 3 and up"