Please order in complete units of 12. Does your child love doing experiments and making things? Then this kit is the perfect combo that will keep them entertained for hours! There are 2 assorted variations, each with 2 classic experiments. Magic Sand & Slippery Slime: Experiment with magical sand that stays dry even when it's under water, and make your own slime. Glow and Snow: Glow-in-the-dark powder can be added to all kinds of things around the home to make them luminescent, and add water to special white powder to make it expand into faux snow - it feels just like the real thing! Everything you need is included, just add water! Comes with illustrated instructions, perfect for beginners. This is a gift that is great for budding scientist ages 8 and up (or 6 and 7 with supervision).