Err

Where science meets magic and fun meets education!

Optical Illusions

Grape Glass (pair)
Fill this glass with red wine and marvel at the optical illusion - it looks like a bunch of grapes.
26.99
Upside Down Scope
This single-prism optical inversion device will show you the world upside down!
34.99
Reversing Goggles
These amazing Reversing Goggles allow you to view the world upside down! The plastic goggles hold two Dove plexiglass prisms, which invert the image....
55.00
Einstein Hollow Face Illusion
The Hollow Face Illusion is probably one of the most amazing optical illusions we have come across. The mask can be stood up in a window and the...
45.00
Pseudoscope Kit
The Pseudoscope swaps the incoming images, so that the right eye sees what the left eye would have seen, and vice versa. 
37.99
Moving Venice
This cardboard panorama of Venice folds and slots together, to create a picture that you can hang on your wall. But this is more than a picture - as...
17.99
A Trick of the Eye
This cardboard panorama, which combines several optical illusions, folds and slots together, to create a picture that you can hang on your wall. But...
17.99
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,...
199.00
Shtox Glass
A very elegant crystal glass tumbler, handmade in Germany. However this glass tumbler has a very special trick. 
50.00
Trizonal Spacewarp
A totally amazing optical illusion! Spin this 6 inch metal disc on a flat surface, and stare at the centre of the disc for 20 or 30 seconds. Then...
12.99
Hyperscope Kit
The Hyperscope is a viewing device that uses a system of mirrors to increase the distance between your eyes. This allows you to see the world in a...
12.99
Hyperscope Pro Kit
This is the larger 'Pro' version, or 'big brother', of our two Hyperscope Kits. The Hyperscope is a viewing device that uses a system of mirrors to...
25.99
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