Toyops Pangaea Mountain Learn about the different types of Rocks and how to identify them This is the BIG kit and comes complete with Mountain stuffed with a Dozen Gems, Fossils, Rocks, and The Amazing Liviing Dinosaur (Triops Eggs), Tray and Mining Tools Make great pets Teach about life cycles, marine biology, and more For children ages 8+ Use PETCO Beta Water sold in a ready to use bottle. Available at Amazon.com and pet superstores to assure the health of your Triops