I wanted to draw something summery ... I ink because they’re too dark and harsh for my taste, so I use browns instead. Because we’re going to outline the background with a coloured pencil ...

“Teeth are really fun to draw. Why not try drawing them slightly wonky? It makes the dinosaur look a bit goofy,” says Zach. Zach also has other tips on how to make your picture extra interesting.

Well, now's your chance to show people because I'm going to show you how to draw a self-portraitusing ... showing this is using white chalk on dark paper. It helps you see where the lightest ...