National Geographic Science Kit & Rock Collection Advent Calendar - NEW

National Geographic Science Kit & Rock Collection Advent Calendar NEW Jumbo Advent Calendar with 24 Days of Science Experiments, Gemstones & More for Kids STEM Projects CONDUCT 13 FUN EXPERIMENTS Test tube glow floating coins growing a colorful crystal tree & much more! COLLECT 11 STUNNING SPECIMENS The gemstones include carnelian, chevron amethyst, snowflake obsidian, geode, tiger's eye, and more! A storage pouch is also included for their new collection. DIG OUT A SPECIAL SPECIMEN ON THE FINAL DAY - The final piece in this collection is a stunning pyrite (fool's gold) specimen kids will unearth from a mini dig brick, just like a real geologist! HIGH-QUALITY EDUCATIONAL TOYS highest quality hands-on science toys