NATIONAL GEOGRAPHIC Science Kit Rock Collection Advent Calendar 2024 Jumbo Advent Calendar 24 Days of Science Gemstones and More STEM Projects for

---------------------------------------------------------------------- 【Voltage Compatibility】 When using electrical appliances, please note that they are designed for Japanese voltage specifications (90-110V), so if you use them with a different voltage, it may cause a malfunction. 【Plug Type】 Our products use Japanese plug types (A or B type). Please use a conversion adapter if necessary. 【Important Note on Transformers and Adapters】 A transformer adjusts voltage to match your device’s requirements. A conversion adapter only changes the plug shape and does not adjust voltage. Using only a conversion adapter without a transformer may result in damage to the product. 【Liability】 We are not responsible for malfunctions or damages caused by improper use, such as operating the product without a transformer. ---------------------------------------------------------------------- 24 Days of Science - Every day in December leading up to Christmas, kids will conduct exciting science experiments and add world-class science kits and gemstone specimens to their collection. 13 FUN EXPERIMENTS - We have selected 13 amazing experiments from science kits for this advent calendar. Kids will love hiding and revealing secret messages, making test tubes shine, floating coins, and growing colorful crystal trees. COLLECT 11 AMAZING SPECIMENS - Kids gemstones in this STEM kit include carnelian, chevron amethyst, snowflake obsidian, geode, tiger eye, and more! A collection storage pouch is also included. Dig up a special specimen on the last day - The final piece of this collection is a stunning specimen of pyrite (fool's gold) that the children will unearth from the mini-diguranga, just like real geologists. HIGH QUALITY EDUCATIONAL TOYS - We are proud to produce the highest quality hands-on science toys, and every product is backed by exceptional service. If your experience is not great, please let us know.