Err

Where science meets magic and fun meets education!

Optical Illusions

Pentakis Kaleidoscope
A three-sided mirror kaleidoscope with a fivefold symmetry axis
25.00
Heart Metamorphosis
Ambiguous Objects look completely different when viewed in a mirror...
12.99
Rounding Square
Are those circles? Or are they squares?
12.99
Ladies and Gentlemen
Excuse me sir... oh, I beg your pardon madam!
12.99
Illusion Cubes
Create your own optical illusions!
16.99
Infinity Mirror
Two mirrors with different transmissivity and reflectivity, that combine to create the illusion of infinite space!
17.99
Sp!n Top
A spinning top AND an optical illusion!
12.99
3 Sugihara Optical Illusions
3 Sugihara Optical Illusions
35.95
Mosaic Art Cards
Five postcards, each with a famous painting in mosaic form...
10.99
Duck-Rabbit Lapel Pins
'I shall call the following figure... the duck-rabbit.'  Ludwig Wittgenstein
14.99
Upside Down Scope
This single-prism optical inversion device will show you the world upside down!
36.99
Spilled Wine
Did the wine get spilled, or is it just an illusion!
19.99
Reversing Goggles
These amazing Reversing Goggles allow you to view the world upside down!
55.00
Einstein Hollow Face Illusion
The Hollow Face Illusion is probably one of the most amazing optical illusions we have come across.
45.00
Optical Illusion Ring
When you turn the ring one way, it seems to be getting fatter; if you turn it the other way, it seems to be getting thinner!
6.99
Moving Venice
This is more than a picture - as you move, the buildings seem to swivel, and follow you.
19.99
Wide and Long Puzzle
This optical illusion has appeared in various books in recent years, but here it is as a wooden hand made demonstration!
13.99
A Trick of the Eye
This is a really impressive optical illusion, that can be quickly and easily constructed.
18.99
True Mirror
When you look in a mirror, who do you see? Not the person other people see, since our reflection in the mirror is reversed - raise your left hand,...
250.00
Shtox Glass
A very elegant crystal glass tumbler, handmade in Germany. However this glass tumbler has a very special trick. 
50.00
Painted Shakespeare Mask
This Shakespeare Hollow Face Mask has been hand painted so as to give an amazing life-like impression of the Bard.
300.00
Hyperscope Pro Kit
This is the larger 'Pro' version, or 'big brother', of our two Hyperscope Kits.
26.99
Three Card Box Illusion
Although you can treat this as a magic trick, it is really an illusion, and the only trickery is happening inside your head!
16.99