A 30cm plastic ruler with centimetres and inches marked on it. The insert shows a number of dinosaur images on the front and a timeline of the dinosaurs from the Triassic through to Cretaceous periods.
A 30cm plastic ruler with centimetres and inches marked on it. The insert shows a number of dinosaur images on the front and a timeline of the dinosaurs from the Triassic through to Cretaceous periods.