Geoworld Sea Monsters Elasmosaurus Skeleton Dino Dig Excavation Kit Young paleontologists can excavate and assemble an Elasmosaurus skeleton, with this Geoworld Sea Monsters Excavation Kit Use the included hammer and chisel to remove the ''fossil bones'' from the gypsum brick, then assemble the skeleton model Includes Fact Sheet, hammer and chisel, and instructions for assembling your snap-together 7.5'' x 8.7'' x 1.8'' skeleton model For children age 6 and up Every Geoworld product is developed under the supervision of paleontologist Dr. Stefano Piccini