This is an amazing video of the dragon illusion (a variation of the hollow face illusion) in effect, and also includes a great video on how to make it. You can download a PDF and save it to your computer. Then you can print so you too can build your own dragon illusion. No matter where you walk around the room your dragon is in, it will follow you by watching you. Its eyes seem to trace your every move. Freak out your friends with this magical marvel.
GO HERE TO DOWNLOAD PDF.