The golden dragon

Optical illusion after Jerry Andrews

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This is what the dragon looks like!

The dragon was originally for our Brain-Busters theater program.

watch at youtube

Andrews Spirale

Click on the picture and look in the spiral for 10 seconds without blinking and then look e.g. on the back of your hand!

Book Stefan Sprenger

Solution fot the Magic-Pen

A magic-pen was put on their buttonhole, here you can find out how to free yourself!

the explanation

Genie – of the lamp!