Four award-winning, massively popularWalking With...programs now in one monster set! Explore the amazing worlds before o own with theUltimate Dinosaur Collection! Take a journey back hundreds of millions of years to a time when monsters roame the primordial seas and forests withWalking With Monsters, discover how dinosaurs moved and looked with Walking with Dinosaurs, follow the life and death struggle of one dinosaur who really existed in Allosaurus, and go back in time with zoologist-adventurer Nigel Marven to beChased By Dinosaurs! Each program is a virtual lost world which has been recreated with spectacular digital effects and animatronics. The end of their era is only the beginning!