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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
Christmas Pack 2017/18
Tim's seasonal collection of toys and novelties, amazing things he spotted during the year, packed into a fun-filled bag of goodies!

There are...
£ 24.99
Galilei Glass
Galilei discovered that the volume of a liquid changes with temperature, and the Galilei Glass utilizes this principle, to create a novel thermometer.
£ 101.95
Einstein Hollow Face Illusion
The Hollow Face Illusion is probably one of the most amazing optical illusions we have come across. So... Grand Illusions has commissioned this...
£ 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
Gallus Light
This elegant lamp consists of a solid wood base, a brass housing containing a tea light candle, and a glass chimney. What is surprising about this...
£ 72.00
15 Note Music Box Set
We remember this charming little toy from years ago, and are proud to be able to present it here once more.Traditional musical boxes normally have a...
£ 8.00
Ring Dial
A Ring Dial - or two-ring universal equinoctial ring dial to give it its full name - was a cutting edge scientific instrument in its time, which is...
£ 39.00
Flipbooks - set of 3
These beautiful little flipbooks come from Italy. They are in full colour, and the charming scenes have a very smooth, cinematic, movement, and are...
£ 11.99
Stirling Engine Kit
The Stirling engine was invented by the Reverend Dr Robert Stirling in 1816. It works from an external heat source, converting this heat energy into...
£ 29.99
Magnetic Field Paper
Developed back in the 1970s, with ideas that it might become a replacement for paper, this paper makes magnetic fields visible. Any magnet can be...
£ 4.99
UV Beads
50 plastic UV beads, supplied in a small plastic pot. Normally the beads are just white. But when you expose them to Ultra Violet light - sunlight is...
£ 8.99
Talking Tapes
A long thin plastic strip, about 60cm long. It doesn't look like much, but it talks! Along the length of the strip is a pattern of fine ridges or...
£ 7.99
10 Blank Strips for the 20 Note Music Box Set
10 Blank Strips for the 20 Note Music Box Set
£ 7.00
3D Greeting Card
When you view the card with the 3D glasses, the message appears to float in front of the background of hearts. 
£ 2.99
Rocket Launcher Pens (pair)
Press the little button, and the pen opens up like a rocket ready for take off! When you have finished, just fold the pen away again.You get a pair of pens.
£ 4.99
Optical Illusion Ring
This is fantastic optical illusion! When you turn the ring one way, it seems to be getting fatter; if you turn it the other way, it seems to be...
£ 5.99
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
Brandy or Port Pipe
Hand made specially for Grand Illusions by our glass blower, the Brandy Pipe is an unusual drinking vessel that allows you to drink from the bottom...
£ 17.99
Lost Count Birthday Candles
A set of 9 birthday candles that spells the words 'Lost Count!'For people who are coy about their age, or maybe when the cake is not big enough to...
£ 4.99
Tippe Top
The Tippe Top consists of a slightly flattened sphere, with a metal stem. It looks slightly like a small mushroom!If you spin the top, it starts to...
£ 19.99
Jumping Discs - Set of 3
These little metal discs are bimetallic - they are made from two different metals - and this enables them to perform an amazing physics trick!The...
£ 7.99
Gaussian Gun
OK, why is it called the Gaussian Gun, I hear you ask? Well, no reason really, except that a friend of ours just christened it that, and the name...
£ 10.99
Mind Reading Discs
This is a fabulous magic trick!Show your audience the five different coloured brass discs and the brass container. They are welcome to inspect them...
£ 24.99
Han Dynasty Compass
This is a modern replica of the oldest instrument in the world which is known to be a compass. The spoon or ladle is of magnetic lodestone, and is...
£ 58.99
Rope Trick
Not quite the Indian Rope Trick, but a nice and very simple piece of close-up magic!Thread the rope through the little box. You can stop at any point...
£ 4.99
Coin Spin Bank
The Coin Spin Bank is a money box with a twist - as you insert the coin, two springs give the coin a spin, and it lands - spinning - on the circular...
£ 5.99
Logic Specs Case
Logic Specs Case
£ 6.99
Storm Glass
The Storm Glass has been used since around 1750 as a way for sailing ships to predict the arrival of stormy weather. It was well documented that...
£ 115.26
Zero Launcher
The Zero Launcher launches 2 to 6 inch diameter non-toxic smoke rings that sail up to fourteen feet. Easy to use, they are great stress busters and...
£ 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!The puzzle shows two boxes,...
£ 13.99
Lenz's Law Demo
If you drop the little metal slug down the copper tube, it falls under the pull of gravity, and drops out at the bottom, just as you would expect.But...
£ 15.99
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
Birthday Calendar
Never forget a birthday again! This perpetual birthday calendar enables you to note down all the important dates in the year, such as birthdays and...
£ 4.99
Handbook of Cubik Math
This book, republished in July 2010, explores the mathematics of solving the Rubik's Cube. 'The best book yet written - or likely to be written -...
£ 15.00
Magnetic Top
This elegant perspex spinning top has a spindle that is magnetic. This allows a most intriguing action to occur. Place the supplied metal spiral on a...
£ 26.99
Don't Ask Birthday Candles
A set of 7 birthday candles that spells the words 'Don't Ask'.For people who are coy about their age, or maybe when the cake is not big enough to...
£ 4.99
Rainbow Trout Pen
You'll almost believe they're real!These realistic Rainbow Trout have been hand-painted with an irridescent paint that makes them glitter like...
£ 4.99
Dovetail Cube Number 2
This elegant metal cube invites you to separate the two halves. However it is not as easy as it might appear. All four sides have an identical...
£ 39.00
Dovetail Cube Number 3
This elegant metal cube invites you to separate the two halves. However it is not as easy as it might appear. All four sides have an identical...
£ 39.00
Cast Puzzle - MOBIUS
The Japanese company Hanayama have been making a range of cast metal puzzles for over a quarter of a century now. The design of their puzzles is...
£ 12.00
Illuminating Newton's Cradle
For every action there is an equal and opposite reaction...'The classic Newton’s Cradle has returned, but with a technological twist - the executive...
£ 10.00
Magic Candle
This candle really is a lot of fun - and people that have never seen it before will just be totally amazed!Initially it looks like a big plastic...
£ 4.99
Cast Puzzle - NEWS
The Japanese company Hanayama have been making a range of cast metal puzzles for over a quarter of a century now. The design of their puzzles is...
£ 12.00
Non Transitive Dice - Set 1
An amusing new game to trick and baffle your friends, based on a recent discovery made at Stanford University, USA. These so-called 'Non Transitive...
£ 3.99
Cast Puzzle - MARBLE
The Japanese company Hanayama have been making a range of cast metal puzzles for over a quarter of a century now. The design of their puzzles is...
£ 12.00
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
Euler's Disc
Euler's Disc is a fascinating physics demonstration that mesmerises everyone that sees it. The base is a slightly concave mirror. There is then a...
£ 30.00
Steam Powered Top
The steam powered top floats on water, and a loop of copper tube passes down through the cork into the water below. The two ends of the copper tube...
£ 9.99
Non Transitive Dice - Set 2
Another variation on Non Transitive Dice, this time based on a set of three dice. The number combinations are 1, 4, 4, 4, 4, 4; 3, 3, 3, 3, 3, 6; and...
£ 3.99
Hand Spectroscope Kit
This cardboard kit will enable you to construct a fully fuctional hand spectroscope. You will be able to view the light spectrum, and also measure...
£ 11.99
Sicherman Dice
An unusual pair of dice. One has sides 1,3,4,5,6,8. The other has sides 1,2,2,3,3,4. Martin Gardner reported on the discovery of these dice by a...
£ 3.99
Camera Obscura Kit
This cardboard construction kit allows you to build your own camera obscura. This optical instrument is the fore-runner of the modern camera. The...
£ 31.99
Vanishing Leprechaun
This classic puzzle dates from the 1960s. There are 3 strips of card, one long piece and two shorter pieces. Put the 3 pieces together and you can...
£ 3.99
Heatmobile 2.0
This Shape Memory Metal (Nitinol) engine is driven by hot water!You may recall the famous Thermobile, created in 1985 by Frederick Wang. The...
£ 27.99
Educated Monkey
A really charming tin toy this one. We like it a lot!The monkey is articulated, and when you set the feet to a particular combination of numbers,...
£ 13.99
Solids of Constant Width
A set of 3 solids of constant width, made from solid aluminium, with a width of 35mm. These mathematical curiosities have some intriguing properties....
£ 29.99
Puzzleware
This is a traditional puzzle, but given a new twist!The fork and spoon are linked, and in order to use them, you have to solve the puzzle. As the...
£ 9.99