These unbelievably smooth gel sticks have awesome effects on dark papers. They are water-soluble so adding a little water creates a watercolor effect. You can layer and blend multiple colors together or mix with the original gel sticks for amazing artistic creations. Colors include: Gold, Silver, Blue, Pink, Purple and Green. For ages 5 and up. WARNING: CHOKING HAZARD - Small Parts. Not for children under 3yrs.