Make slime that thrills with Elmer’s? Color Changing Slime Kit. Simply shine the included UV light on your slime, and you’ll be able to see it change from one color to the next. It even changes under the UV rays of the sun. Includes all the necessary ingredients for kids to make their own version of slime. Includes two glues (5 oz), two slime activators (2.3 oz) and UV light. Makes blue/purple and yellow/red slime. Washable and nontoxic. Adhesive Type: Liquid; Packing Type: Bottle; Washable: Yes; Color on Application: Blue; Yellow.