The Pachycephalosaurus was a species of herbivorous, bipedal dinosaur that lived during the Cretaceous period. The pachycephalosaurus could reach up to 4 metres in length. However, Thomas Holtz estimated a length of 7 metres and a weight between 227 and 424 kg. Other authors estimated a length of 4.5 metres and a weight of 450 kg.
Dimensions: 20.60 x 6.60 x 10.10 cm.
Recommended Age: 3 years and above.