by dat8962 » Sep 19th, '05, 18:46
How about an Origami class?
Looks a bit like the old trick of rolling the drinking straw backwards and forwards whilst moving your hand backwards and forewards from about 6 inches above - in it's simplicity that is

Member of the Magic Circle & The 2009 British Isles Close-Up Magician of the Year
It's not really an optical illusion - it just looks like one!