NOVICA, in association with National Geographic, works together with talented artisan designers around the world to produce stunning, keepsake treasures. Our mantra is to spread global happiness, so rest assured - we’ll do everything we possibly can to ensure you’re a happy customer. About this item: The ancient strength of stone attests to the challenges faced by the chess fan. Sculpted of richly-veined black and rose marble, this extraordinary chess set brings a touch of luxury to the game. It is a design by the Sierra Family of Mexico. - Natural stone - some variations in color and/or pattern are to be expected About our Artist: Odette Sierra of Mexico and her father, Edgar Sierra, opened their workshop 30 years ago. Submerged in this artistic heritage, the Sierras began crafting parquet tables in onyx and marble. The art of sculpting marble and onyx demands patience and virtue, both of which have been cultivated over time in the Sierra Family workshop. Product is intended for ages greater than 12 years and older.