Explore The World Of Geology With The National Geographic Gemstone Dig Kit .Gem-Shaped Dig Brick Contains 3 Gemstones - Tiger'S Eye, Amethyst, Quartz .Includes A Digging Tool, A Brush, A Magnifying Glass And A Learning Guide With Instructions .Packaging Dimensions Are 18.4 Cm Wide, 25.4 Cm High And 6 Cm Deep .