Gross Candy Lab-Spiders Worms Creepy Crawlers STEM Experiment Kit - NEW/Sealed Learn Chemistry - Make Your Own Plant-Based Gummy Candies in Cool Shapes Colors Make your own delicious gummies in gross shapes like worms and spiders! Learn about the properties of natural polymers. Mold your own gummy worms and spiders using a natural gelatin-like ingredient called carrageenan that comes from seaweed. Flavor and sweeten your mixture with mixed berry and green apple flavors and then mold the gummy worms and spiders in the included mold. You can even add citric acid to make sour gummies! A 16-page, full-color manual guides experiments and includes a wealth of scientific information. Some ingredients are processed in facilities that also process milk, egg, tree nuts, wheat, peanuts, and soybeans.