Geoworld Flying Monsters Tropeognathus Skeleton Excavation Kit Young paleontologists can excavate and assemble the scientific reproduction of Tropeognathus, a flying reptile from the Early Cretaceous period Includes gypsum brick with hidden fossil replicas, small hammer and chisel, stand and information about Tropeognathus Suitable for ages 6 and up Developed with the guidance of internationally accredited paleontologist and geologist Stefano Piccini Every Geoworld product is developed under the supervision of paleontologist Dr. Stefano Piccini