32 Color Assortment of Hair Chalk. Gypsy Stix set into hair and last up to 3 days. All colors blend into one another. Blend pink into blue or lime green into black. Even Cameleons love them!! So many colors to play with. You can blend light to dark or dark to light, making it the easiest hair chalk to use. Blend the different shades to get the Ombre hair effect.