What Colour was a T-rex's skin? A pterodactyl's Wing? Or a Triceratops' frill? Now with the Dinosaur Colouring Book you get to decide. Will you Subdue the colours of nature and make the Dinosaurs greens and browns? Or will you unleash the imagination and make them spectacular purples and blues; yellows and orange? Let your imagination travel back 65 Million Years from he safety of your own home.