Make your own gooey, stretchy, glowing slime with the National Geographic Glow-in-the-Dark Slime Lab kit! Simply add water to your slime powder, stir, then you will be ready to play all day. The included storage container keeps your slime fresh longer, and a detailed learning guide has a fascinating insight into different slimes found in nature. And do not forget, this slime is extra special because it glows in the dark! Create gooey, glowing slime with the National Geographic Glow-in-the-Dark Slime Lab! This is a great activity for kids that like to get hands-on with their science. Keep the slime in the included storage container after playtime is over to keep the slime fresh for even more fun! This exciting kit also includes easy-to-follow instructions. It is a STEM kit kids will absolutely love. Mix the borax slime powder with water and watch as the slime takes shape, then flip the lights to see it glow Stretch, squish, and watch slime glow with this awesome sensory science lab slime kit A full-color learning guide provides insight into slime and facts about the different slimes found in nature A great STEM activity and sensory stimulation activity for kids Material : Borax Powder, Plastic Dimensions : 18.4 ? 6 ? 25.4 cm Age?More than 6 years old