National Geographic Slime Science Kit GreenMake your own gooey, stretchy, glowing slime with the National Geographic Glow in the Dark Slime Lab! Simply add water to your slime powder, stir, then youll be ready to play all day. The included storage container keeps your slime fresh longer, and a detailed learning guide provides fascinating insight into different slimes found in nature. And dont forget, this slime is extra special because it glows in the dark! Slime is a fantastic sensory toy for