Spice up your savory science experiments and add some stylish elements to your kitchen with these culinary chemistry accouterments. Featuring five glass test-tubes, with silicone stoppers (for added freshness) in a traditional laboratory rack, choose from a periodic table of 36 easy-peel, re-usable herb and spice labels to ensure your flavor formulas are accurate. Choose from a periodic table of 36 easy-peel, re-usable herb and spice labels to ensure your flavor formulas are accurate.