The Deluxe Acrocanthosaurus with movable jaw, scale 1:40, is 29.5cm x 11.9cm. The Acrocanthosaurus was remarkable for the high neural spines on its neck, back and tail whose function is unknown. These may have formed a low sail or supported a thick ridge of muscle and flesh, is carnivorous. Individually hand crafted to the highest standards and made with only the finest and safest materials. Designed by experts, every CollectA model is factually accurate and true to life for education and imaginative play. Our models are excellent for educational purposes and for use in dioramas and habitat display scenes.