Discover with Dr. Cool is awesome company. They have a huge line of science related activities, where kids get to explore and discover the cooler side of science. The earth science kits offer hands-on experience, whether they are cracking open geodes, examining real bugs, or unearthing fossils. These kits were created from scratch by a husband and wife team; one who knows about rocks, minerals, and crystals, and the other, a school teacher. You can see how their combined knowledge makes for great adventurous science kits.