Discover the magic of slime with the Elmer's slime set with color change effect, which changes color when the sun shines!Contains a bottle with glue for blue to purple and yellow to red. The glue is child-friendly , washable and remains flexible when dry - for clean projects and easy cleaning. Also contains 2 bottles of Magical Liquid. Add the slime activator solution Magical Liquid to the glue to easily make your own slime without any additional ingredients. Not suitable for children under 3 years. Use only under adult supervision. Wash hands thoroughly before and after making as well as before and after playing with Slime.