Err

Where science meets magic and fun meets education!

Optical Illusions

The Levitator
A fascinating visual device that defies description! 
£ 7.99
Tensegrity Table Kit - Red
Appears to float in mid air!
£ 40.00
Tensegrity Phone Holder Kit - Red
Your phone appears to float in mid air!
£ 60.00
Cylinder in the Box
Ambiguous Objects - it all depends on your point of view!
£ 13.99
Rounding Square
Are those circles? Or are they squares?
£ 13.99
Heart Metamorphosis
Ambiguous Objects look completely different when viewed in a mirror...
£ 13.99
Ladies and Gentlemen
Excuse me sir... oh, I beg your pardon madam!
£ 13.99
Pentakis Kaleidoscope
A three-sided mirror kaleidoscope with a fivefold symmetry axis
£ 25.00
Infinity Mirror
Two mirrors with different transmissivity and reflectivity, that combine to create the illusion of infinite space!
£ 17.99
3 Sugihara Optical Illusions
3 Sugihara Optical Illusions
£ 38.95
Mosaic Art Cards
Five postcards, each with a famous painting in mosaic form...
£ 11.99
Upside Down Scope
This single-prism optical inversion device will show you the world upside down!
£ 65.00
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!
£ 60.00
The Hollow Face Illusion
The Hollow Face Illusion is probably one of the most amazing optical illusions we have come across.
£ 50.00
Pseudoscope Kit
The Pseudoscope swaps the incoming images, so that the right eye sees what the left eye would have seen, and vice versa. 
£ 80.00
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!
£ 7.99
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!
£ 17.99
True Mirror
When you look in a mirror, who do you see?
£ 295.00
Shtox Glass
A very elegant crystal glass tumbler, handmade in Germany. However this glass tumbler has a very special trick. 
£ 50.00
Hyperscope Kit
The Hyperscope is a viewing device that uses a system of mirrors to allow you to see the world in a different way, more exciting and with more depth.
£ 20.00
Hyperscope Pro Kit
This is the larger 'Pro' version, or 'big brother', of our two Hyperscope Kits.
£ 55.00
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!
£ 27.99