They have big teeth – and arms too short to reach the cookie jar. Cookies weren’t even invented when these giants stomped around amongst volcanoes and primordial soups. Now your kid can stomp around his own room like a terrifying T-rex with the universe Dinosaur. But look out for falling meteors or other things that can make the room explode. Because then you will have to clean it and that’s hard to do with very short arms.