Geoworld Dr. Steve Hunters Wonders of Nature 7 Crack'n open Geodes Plus Agate Cut Slice Kit Begin the amazing journey into prehistory with Dr. Steve, the most fun paleontologist in the world! 7 fantastic Geodes and an original illustrated booklet to find out all the secrets about the formation of mysterious stone bubbles with a crystalline heart Use the security bag and crack them following carefully the instructions : you will discover wonderful and colorful crystals formed in thousands of years In addition to you a beautiful section of agate to be exhibited and the magnifying glass that will help you analyze the stones like a geologist. Perfect for children aged 6 to 12 years old with a passion for geology and for Nature. An educational experience that combines science with fun and encourages respect for the Earth