This kit contains 35 labeled rock and plant fossil samples. Individual cards contain background information for each sample. Also included are directions and equipment needed to study the properties of minerals (streak, hardness, magnetism, crystalline structure, acidity). Three books contained in the kit offer basic background information: A Golden Guide – Rocks and Minerals, Illinois State Geological Survey's Guide to Rocks and Minerals of Illinois, and Guide to the Geology of the Elizabeth Area, JoDaviess County, Illinois.