Workers at the American Museum of Natural History scurry around making sure everything is ready for the big dinosaur exhibit. What does it take to make a show like this happen?

Answer: a lot! It takes serious effort to build even a single dinosaur model. Sometimes the whole process takes years! First, scientists dig up fossils. In the lab, they use molds and casts to make replicas of the fossils. Only then can they build the copies into a dinosaur model. Some scientists even give dinosaur fossils CAT scans. A CAT scan is an x-ray test usually used on people. It takes pictures from more than one angle. Then it puts the pictures together. But even after a CAT scan, scientists do not know exactly how a dinosaur looked. They still have to guess a little . . . or maybe a lot.

The model makers working on T. rexes at the museum have used their artistic and building skills to make dinosaur models before. But they have never made the same dinosaur at different ages. That’s what they did with T. rex. They designed the teeth, bodies, and fluffy feathers of a T. rex hatchling. They also designed a four-year-old and adult. Their mental pictures of T. rex might look different from yours. They may even look different from the imaginings of Barnum Brown, the man who discovered T. rex in 1902.

Not everyone agrees about how dinosaurs looked. And not even Christians agree about when dinosaurs actually lived. Some people say thousands of years. Others say millions of years. But Christians do agree on this: T. rex was created by God. You might even say He got this whole show started in the first place.