National Geographic National Geographic Amazing Worms Chemistry Kit BRAND NEW Stem Science

National Geographic Amazing Worms Chemistry Kit BRAND NEW Stem Science Includes: Green Sodium Alginate Color Changing Sodium Alginate Calcium Chloride Zinc Sulfide 2 Experiment Cups 1 Measuring Scoop 1 Experiment Guide 🚭 Smoke Free Home 🚛 Fast Shipping: I typically ship within 1 business day of receiving your order. 🐶 PET-FRIENDLY 🐱 Home: While I do not have a pet-free home, all items are stored in a dedicated room where pets are not allowed. 📦 ECO-FRIENDLY Packaging: I reuse boxes and packing materials whenever possible.