Diamond Digging Kit for Kids - Mining Toy Bundle with 12 Excavation Kits Including Mystery Gemstones and Tools for Boys, Girls | Gold Bar Digging Toy Set, STEM Party Favors. This diamond and gold digging kit for kids comes with 6 diamond dig it kits and 6 gold bar digging kits, each complete with 1 rock for digging, a mallet, chisel, and brush. Use the included tools and dig away at the gold bars and diamonds to reveal your very own gemstone. Find an amethyst, salt crystal, rock crystal, or even a diamond! Sure to be a hit with boys and girls alike, this gemstone digging kit is a great STEM toy for any child interested in science and archeology. This diamond and gold digging mystery kit for kids also includes a bonus phone decal.