PROUDLY DISPLAY YOUR ULTIMATE ROCK COLLECTION - You'll want to show off these breathtaking specimens! You receive three shark teeth, a mosasaur tooth fossil, a trilobite fossil, aragonite, quartz point, obsidian arrowheads, and an electroplated geode EXTRA LARGE MEANS EXTRA AWESOME - Rock collections for kids are often comprised of small rocks, crystals, and minerals but this set breaks that mold with impressively-sized specimens! A great gift for boys and girls that love geology and fossils! NO HASSLE STORAGE & DISPLAY - The rocks, crystals, and fossils in this collection are safely stored in clear acrylic cases that are perfect for display! The cases also protect your high-quality specimens from bumps or drops that could cause breakage UNFORGETTABLE GEOLOGY KIT FOR KIDS - Does your child love geology or paleontology? This is the ultimate gift for boys and girls with an interest rocks, crystals, and fossils! It's also a great STEM resource, inspiring awe at the wonders of science! SATISFACTION GUARANTEED – The National Geographic STEM series provides kids high-quality educational toys that are a whole lot of fun! If your experience is anything less than extraordinary, let us know so we can make it right for you.