THIRD EDITION (SMALL) 12 SPECIMENS! The 12 Specimen (LARGE) Third Edition of the Mini Museum measures approximately 4" tall x 3" wide x 1" thick and contains 12 different specimens: Space Gems, Oldest River, Crinoid, Spinosaurus Spine, Megalodon Tooth, Samurai Sword, Venice Street Brick, Australian Rough Opal, Alcatraz, Pelé Soccer Ball, Steve Jobs' Turtleneck (yes, really), Flown Cosmonaut Food from the Mir Space Station You can read more about each of these amazing items on our special page for the Third Edition. In addition to these incredible specimens, the 12 Specimen Third Edition Mini Museum (MM3) also includes: Detailed, 160-page Hardbound Companion Guide Book Custom Microfiber Pouch Display and Storage Box Certificate of Authenticity