Diplidocus

Size and Color: This huge model is 18.5 inches long and 4.5 inches high. It is an eye-catching turquoise on top and cream below.

Diplodocus is one of the most famous long-necked dinosaurs. At over 88 ft long from the tip of its snout to the end of its whip-like tail, Diplodocus is as long as three buses. This ground-shaking plant eater occupied North America during the Late Jurassic, about 153 million years ago.