24 DAYS OF SCIENCE - Each day for 24 days, kids will open an exciting science experiment to conduct from our world-class science kits, or a gemstone or fossil to add to their collection! COLLECT 11 STUNNING SPECIMENS - The fossils and gemstones for kids in this STEM kit include carnelian, chevron amethyst, snowflake obsidian, gastropod, geode, tiger's eye, and more! A storage pouch is also included for their new collection. CONDUCT 13 FUN EXPERIMENTS - We selected 13 incredible experiments from our science kits for this exciting set. Kids will love hiding/revealing a secret message, making a test tube glow, floating coins, growing a colorful