Learn how to draw happy and sad cartoon faces with this video ... Next, draw a long line coming down to the middle and a short line meeting it to make the nose. Now add the eyes.

So where’s the line? From the benefits of technology to help a child learn, to what happens when children are allowed unfettered use of their devices, and how best to manage their screen time ...

Draw a zigzag line, starting near the centre of the circle ... He has set his dinosaur among prehistoric plants. The creator of the cartoon T. rex in the video is Natural History Museum scientist Zach ...