Geoworld Sea Monsters Ichthyosaurus Skeleton Dino Dig Excavation Kit Young paleontologists can excavate and assemble a reproduction of the Ichthyosaurus, a dolphin-like swimming reptile from the Late Cretaceous period The kit includes a gypsum block with ''fossil remains,'' a small hammer and chisel, stand and fact booklet Step-by-step instructions and fact sheet are included For ages 6 and up Every Geoworld product is developed under the supervision of paleontologist Dr. Stefano Piccini