Tour the ancient seas with the I Dig Prehistoric Shark™ Excavation Adventure. Unearth two replica prehistoric shark’s teeth and one of five collectible prehistoric sharks that are buried in genuine Dinsostone® rock, a proprietary sand matrix that is dust-free, high-quality and easy-to-clean up. Children can collect all five sharks: Echinochimaera, Helicoprion, Megalodon, Orthacanthus and Scapanorhynchus. Authentic tools are provided including a steel hammer, chisel and plastic goggles. I DIG™ Excavation Adventures is the premier excavation kit in terms of play value, variety, product quality and educational content, providing the most realistic digging experience of any excavation kit for children.