Elmer's Color Changing Slime Kit Slime Supplies Include Elmer's Color Changing Glue, Elmer's Magical Liquid Slime Activator, UV Light, 5 Piece Kit, BluePurple + YellowRed Slime kit contains all you need for color-changing Slime Glue that changes color when exposed to UV light (included) Magical liquid is an all-in-one formula that eliminates the need for lens solution, baking soda, and additives Inclusive kit includes 1 bottle blue-to-purple color changing glue (5 oz.), 1 bottle yellow-to-red color changing glue (5 oz.), 1 UV light, 2 bottles magical liquid (2.3 oz. Each), Ages: 3 years and up