NATIONAL GEOGRAPHIC 2025 Science Kit & Rock Collection Advent Calendar Christmas Countdown with 24 Days of Experiments, Gemstones More, STEM Projects for Kids Ages 8 12

24 DAYS OF EXPERIMENTS, SPECIMENS & FIGURES - Each day of December as Christmas approaches, kids will open an exciting science experiment to conduct from our world-class science kits, a gemstone, or a figurine to add to their collection! CONDUCT 9 FUN EXPERIMENTS - We selected 9 incredible science experiments for hands-on fun with this advent calendar. Kids will exploring the astounding world of science, with everything they need to conduct each experiment, including safety goggles! They'll explore polymers, pH science, and hydrophobic materials! COLLECT GEMSTONES, ANIMAL FIGURES & MORE - The 11 gemstones for kids in this advent calendar include dazzling rose quartz, jasper, amethyst and more! There's also more fun with 4 animal figurines and a bouncy ball that glow in the dark! 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! AWARD-WINNING PRODUCTS - Blue Marble, winner of the Toy Association's prestigious Toy of the Year Award, proudly develops products that foster education, imagination, and creativity, with a U.S. support team to ensure a stellar experience!