Wonder Wire: Mephisto Spiral Optical Illusion Toy

Here is another neat optical illusion toy that lets you perform a fun magic trick for your friends. Wonder Wire comes with two wires that you can pull apart to give the illusion of them unwinding. They never do though, so you get an endless spiral.

This illusion is also known as the Mephisto spiral. The toy comes assembled, so you can start using it right away.

[where to get it]