Geoworld Dino Dan Parasaurolophus The Dino Dan Parasaurolophus set from Geoworld is a fascinating gift for any young paleontologist This plant-eating dinosaur lived 76-1/2 million years ago, and grew to be about 31 feet long Dino Dan set includes the colorful, hand painted model, fact sheet, and secret access code for bonus, web-based content For ages 5 and up Every Geoworld product is developed under the supervision of paleontologist Dr. Stefano Piccini