AUTHENTIC SEMI-PRECIOUS GEMSTONES - The beautifully designed dig brick is packed with 15 real semi-precious gemstones and crystals! Your kids will love digging like a real geologist and discovering the dazzling specimens hidden inside! | EXTRADORINARY SPECIMENS - Your kids will discover sought-after semi-precious gemstones in this unique dig kit, including amethyst, peridot, citrine, blue topaz, aquamarine, opal, and garnet. This digging kit for kids is unforgettable! | A COMPLETE SCIENCE KIT - This STEM kit is easy to use, thanks to the dig tool, brush, magnifying glass, and easy-to-follow instructions. A detailed learning guide teaches kids about each stone, too. A display bottle with keychain is also included. | KIDS WILL BE THRILLED - Other dig kits may have action figures or polished stones inside, but this digging kit allows your kids to excavate some incredible specimens! When they're done, they'll have a gemstone collection they'll treasure forever! | 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.