how to draw in 3d with hand

Draw 3D objects using lines on paper. Make objects appear to be coming out of the page using this simple technique. Great fun to do with children. Draw a three dimensional hand, spoon and Bart Simpson
See video here :  Draw a three dimensional hand, spoon and Bart Simpson  -http://j.gs/5JYH
                  Drawing a hole, anamorphic optical illusion, 3D trick art -http://j.gs/5JYJ