Geoworld Prehistoric Icebergs Mammoth Skeleton Assembly Set The Geoworld Prehistoric Icebergs Mammoth Skeleton Assembly Set is a thrilling addition to your collection The 12-piece snap-together skeleton comes packaged in its own iceberg The skeleton comes with a fact sheet filled with scientific information about this ancestor of today's elephant For ages 5 and up Every Geoworld product is developed under the supervision of paleontologist Dr. Stefano Piccini