set of hand drawn grayscale black and white high contrast dinosaur silhouette clipart

dinosaur dino prehistoric jurassic clip art black white hand drawn design elements collection set brontosaurus brachiosaurus stegosaurus tyrannosaurus rex trex velociraptor pterodactyl elasmosaurus high contrast isolated clipart cutout minimal spots graphic cute cartoon greyscale silhouette bold monochrome doodle clean print background watercolor crayon child playful baby kid school modern element