K300 This is a Mineral Collection Kit. Enclosed is 15 different identified specimens. They are, Amazonite, Quartz, Agate, Alabaster, fossiliferous Limestone, Fluorite, Gold Ore, Marble, Pyrite, Calcite, Jasper, Obsidian, Pumice, Copper Ore, Lava Rock, Selenite, Lepidolite and Variscite.  The kit comes with a write up about sedimentary, igneous and metamorphic rocks.  Each specimen comes in its own bag. This is a great learning  item for kids.