NIB THINK BOX GEMSTONE DIG 3 EXCAVATION TOOLS 6 REAL GEMSTONES Never opened Dig into the exciting world of gemology with the Thinkbox® Gemstone Dig STEM kit! Strap on your safety goggles and walk in the footsteps of real geologist and gemologist as you use excavation tools, like a mallet and chisel, to dig through a stone and find real hidden gems — from turquoise to amethyst. Sweep away any excess dig particles with the included brush and identify each of your findings with the bonus poster! Then, perform streak tests to determine the hardness of every gemstone you find — which do you think will leave the most distinctive mark? The Thinkbox Gemstone Dig kit is the perfect way for lovers of all-things-science to immerse themselves in a fun, hands-on learning experience that will spark their curiosity in the natural world and the gemstones inside it! Explore the exciting world of gemology and learn what makes these natural wonders unique with the Thinkbox® Gemstone Dig! Strap on the included safety goggles and chip & chisel your way through a digging stone to find 11 gemstones hidden inside! Use the same tools as a real geologist, like a mallet and chisel, to perform your excavation! Sweep off any dig particles using the included brush and identify each gemstone you find with the bonus poster! Perform a streak test with the included ceramic tile and learn about the Mohs Scale of Hardness! This interactive STEM kit isn’t just a hands-on activity any gemstone enthusia