Clementoni - Precious Stones And Crystals

Description

- A "precious" scientific repository for unearthing precious stones.The set includes everything needed to grow a massive crystal as well as a block that can be cut to extract gemstones and other stones. It also includes a mold for a magnificent, multicolored geode. - The comprehensive scientific manual divulges all the knowledge about crystallography, chemical processes involving salts, and mineralogy. - Dimensions: approximately 35 x 7 x 26 cm. - 8 years and older is the recommended age range.