Here's an early Halloween costume idea.

Australian radio duo Hamish and Andy got their hands on what they claim is the "most realistic dinosaur in the world," hatching a plan to scare unsuspecting staffers with the animatronic beast.  Walking Dinosaur Ride

In a video titled Jurassic Carpark, the duo lure their colleagues to an underground carpark where the raptor waits to attack. The reactions are priceless. 

Although we suspect many of the victims are just good actors, we wouldn't want to come across this nightmare hiding in the basement downstairs. 

Life Size Animal Mashable Australia's Web Culture Reporter.Reach out to me on Twitter at @Johnny_Lieu or via email at jlieu [at] mashable.com