Faber-Castell Metallic Gel Sticks bring shimmering colors to life. These gel sticks are rich, creamy and smooth for easy blending. They're water-soluble, and adding a little water creates a watercolor effect. Watch your gel sticks glide on paper like magic as they bring vibrant color to your art projects. Try these Metallic Gel Sticks on black paper for a vibrant, colorful effect. Layer and blend your Metallic Gel Sticks with the Original Faber-Castell Gel Sticks for amazing artistic creations. Metallic Gel Stick Pigment Crayons are non-toxic, acid free and ASTM D-4236 compliant. Recommended for ages 5+.