Make your own gooey, stretchy, glowing slime with the National Geographic Glow-in the Dark Slime Lab! ". Just add water to your slime powder, then put it in place throughout the day. The included storage container keeps your slime fresh longer, and a detailed learning guide has fascinating in different natural fats. And so, this slime is extra special because it glows in the dark. Slime is a fantastic toy for kids, and they love to make their own bat at home. • Explore the world of polymer science • Easy to make: simply mix the included Slime powder with water and sand • Includes a storage container so your slimes last longer • min. Age: min. Age: 6 + Kit Included: 1 x Bag of Slime Glow-in the Dark Slime Powder (0.63 oz/18 g) 1 x Slime Storage Container 1 x Wooden Stir Stick 1 x Learning Guide with Instructions