The large Irritator is 16cm x 6cm. Irritator bore a crest on its forehead and had its nostrils away from its snout to aid in fishing, 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.