I thought it would be fun to show how an ellipse is constructed, as they are the starting shape of so many drawings. You will need nails or pins and a hammer! Do not do this on a nice table! use an drawing board or something that is not expensive or important. Ask if you are not sure!
You can see this and my other videos in schools and libraries by going to my own video website, www.shoo-tube.com. You can embed the videos in your own blog, or school or library or personal website. Instructions here.
Click the comments button to let me know what you think!