This is a wonderful optical illusion. This little dragon is made out of paper - you simply cut it out and stick it together, and stand it on a table or window ledge. But when you move around, the dragon's head seems to follow you around the room. Have a look at the video, to see what we mean. The effect is really uncanny.
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You can download a copy of the actual dragon and try this illusion for yourself if you wish. This is a PDF file. Right click to download the file. This is a 244k download. Once you have printed the dragon out (a color printer is best since this is a color image) then you can cut out the dragon, fold and stick it, and you will be able to see this fantastic illusion yourself. When you print the page out, you will see that the instructions for folding the dragon are included. Please follow these instructions exactly. The dragon is originally from ThinkFun.
