Err

Where science meets magic and fun meets education!

Puzzles

Christmas Puzzle Cards - Set of 3
A Christmas card for fans of riddles and escape rooms...
£ 11.99
Schrödinger's Cat Puzzle
Time to solve the puzzle box and save Schrödinger's cat!
£ 28.99
Fire in Adlerstein
Act as a real detective to investigate the case of a suspicious fire
£ 19.99
Captain Nemo's Nautilus
An 'Escape Room' in a box...
£ 31.99
Davy Jones' Locker
An 'Escape Room' in a box!
£ 31.99
Tee Off Golf Globe Game
Put the golf ball on the tee – not as easy as it looks!
£ 14.95
Cast Puzzle - VALVE
Can you work out the unseen mechanism? 
£ 12.00
Star Path
Star Path is the latest puzzle from Jean Claude Constantin
£ 16.99
Locked Wine Puzzle
Think before you drink!
£ 14.99
Enter If You Can – LOCKED VERSION
This limited edition version of Peter Hajek's book on puzzle boxes has a built in puzzle lock for you to solve!
£ 100.00
Enter If You Can - The Art of Puzzle Boxes
A comprehensively illustrated hardback book that explores the fascinating subject of puzzle boxes...
£ 29.00
The Case of the Treasury Safe
Can you crack the mysteries of Dr Watson's safe?
£ 14.00
Labyrinth Maze
Get all 3 balls into the centre ring of this tricky maze
£ 8.99
(-33.37%) £ 5.99
Pyraminx
Pyraminx - the original 'twisty' puzzle!
£ 14.99
Crystal Pyraminx
The original king of twisty puzzles, now in crystal!
£ 18.99
Hollow Pyraminx
Uwe Mèffert's Hollow Pyraminx
£ 15.99
Cast Puzzle - ROTOR
Two identical pieces, and the highest level of difficulty!
£ 12.00
Cast Puzzle - HOURGLASS
The Hourglass - a 'Grand Master' Level 6 puzzle
£ 12.00
Cast Puzzle - NUTCASE
Nutcase - a 6 star difficulty puzzle that is also a secret box!
£ 12.00
Metal Bike Puzzle
Can you remove the lock from your bicycle?
£ 9.99
Metal Light Bulb Puzzle
It’ll take some very bright ideas to solve this puzzle!
£ 9.99
Metal Phone Puzzle
This puzzle is calling your name!
£ 9.99
Set of Three Metal Puzzles
Three metal puzzles created by Jean Claude Constantin
£ 26.99
Flippe Ball Puzzle
Spin the Flippe Ball Puzzle and see what happens! 
£ 19.00
Brainstring Houdini
Even Houdini needs your help!
£ 13.99
Peano Curve Fractal Puzzle
A puzzle based on space filling fractal curves
£ 25.00
Dragon Curve Fractal Puzzle
The Dragon Curve was first investigated by NASA physicists John Heighway, Bruce Banks, and William Harter
£ 25.00
Gosper Curve Fractal Puzzle
Named after Bill Gosper, and also known as the flowsnake curve...
£ 25.00
Set of Three Fractal Curve Puzzles
The Peano Curve, Dragon Curve and Gosper Curve Fractal Puzzles.
£ 58.80
Puzzle Box #1
A puzzle box created by Jean Claude Constantin - one of the world's puzzle masters!
£ 17.99
Puzzle Box #2
For centuries, puzzle boxes have been used to pass secret messages and small precious items.
£ 17.99
Puzzle Box #3
A puzzle box with 5 star difficulty!
£ 17.99
Set of 3 Puzzle Boxes
A set of 3 puzzle boxes created by Jean Claude Constantin - one of the world's puzzle masters!
£ 41.36
Cast Puzzle - LOVE
Love - two pieces that smoothly intertwine to make a single form.
£ 12.00
Chichen Itza - a symmetry puzzle
For dedicated fidgeters only! What a joy only three pieces can bring to idle hands...
£ 7.99
Broken Twig - a symmetry puzzle
Rearrange the custom metal "twigs” until they form a symmetrical shape.
£ 7.99
Cast Puzzle - ARROWS
Four arrows are piercing the heart... can this puzzle be disassembled?
£ 12.00
Amazing Packing Problems - Diamond
You missed a bit...!
£ 4.99
(-20.04%) £ 3.99
Cast Puzzle - SNOW
A maze-type Huzzle created around the theme of a beautiful snow crystal...
£ 12.00
Cast Puzzle - UFO
This uniquely shaped puzzle really does look like a UFO!
£ 12.00
Cast Puzzle - SLIDER
The challenge is to take it apart, and then to reassemble the three pieces into the original puzzle. 

£ 12.00
Cast Puzzle - ABC
In this puzzle you are trying to free the "C” from the "AB” piece
£ 12.00
Cast Puzzle - TRINITY
A puzzle that interlocks each piece with the two other pieces via an elusive, organic design. 
£ 12.00
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!
£ 14.99
Dovetail Cube Number 1
This elegant metal cube invites you to separate the two halves. However it is not as easy as it might appear.
£ 70.00
Dovetail Cube Number 2
This is a great puzzle for trying out on your friends, or maybe having on your desk, to challenge visitors to your office!
£ 70.00
Dovetail Cube Number 3
When you initially present this puzzle to someone, there is no sliding, pulling or twisting movement they can perform that will separate the two...
£ 70.00
Cast Puzzle - MOBIUS
As you move forward, the front becomes the back and vice versa, leaving you perplexed.
£ 12.00
Cast Puzzle - NEWS
WARNING! Hope you’re up to this! Level 6 is for real Huzzle-puzzle-lovers!
£ 12.00
Cast Puzzle - VORTEX
The motivation behind this puzzle is the statue of Asura, the ancient Indian god and also a protector of Buddhism.
£ 12.00
Cast Puzzle - MARBLE
This puzzle has such a beautiful shape that it could easily be mistaken for a piece of jewelry.
£ 12.00
Cast Puzzle - COIL
The theme of this puzzle is “Loops”.
£ 12.00
Cast Puzzle - RATTLE
All of the pieces fit loosely and it seems as though they would be easy to take apart...
£ 12.00
Einstein's Puzzle Cubes
E= mc2. One famous equation. Five symbols. Countless implications. Einstein’s equation for mass-energy equivalence altered the way we think about energy and mass, and has provided endless technological advances.
£ 10.00
Barrel and Ball Puzzle
This version of the famous Hoffmann Barrel and Ball puzzle consists of a blue barrel which contains a ball bearing. The challenge is to get the ball...
£ 40.00
Cast Puzzle - U&U
The two U shaped bolts would not seem to present much of a challenge - just unscrew one of the nuts, and they should come apart... If only it were...
£ 12.00
Cast Puzzle - GALAXY
Like the swirling shape of the galaxy…that is why this puzzle was named Galaxy.
£ 12.00
U-Two
There are many disentanglement puzzles available, so we only pick out a few that we really like.
£ 9.99
Coin Bank Puzzle
This nifty little puzzle allows you to insert a single coin into the Perspex disc. This bit is easy. However when you try to remove the coin, it is...
£ 6.99