Blue Marble National Geographic Gemstone Dig Kit - 15 Semi-Precious Gems Including Amethyst, Garnet, Opal, Black, Model NGSPGEMDIGDiscover the excitement of geology with the Blue Marble Digging Kit, a unique educational toy designed for young explorers. This engaging STEM kit allows kids to excavate real semi precious gemstones, fostering a love for science and nature while providing hours of hands on fun. The Blue Marble Digging Kit features 15 authentic semi precious gemstones, including amethyst, peridot, citrine, blue topaz, aquamarine, opal, and garnet. Each kit includes a