A geological expedition in the palm of your hand! This gift set, perfect for geologists-in-training, is filled with 24 individually wrapped mini excavation blocks. Each block contains one real mineral specimen. The kits are blind-packed, so it's a surprise which of the specimens you will get. Use the included chisel tool (there's a tool for each block in the set) to dig in and reveal one of 12 different minerals: pyrite, rose quartz, fossil wood, mountain crystal, red jasper, adventurine, crinoids, pisolite. stony corals, amethyst, sea lily, diorite. Ideal for geology enthusiasts, these mini excavation kits are great for starting a new rock collection (or adding to an existing one!). Instructions are also included.