| An elegant, transforming geometric puzzle. Based on the Yoshimoto Cube, which we used to sell about 20 years ago! |
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These very unusual dice swivel in the middle. Each 'half' dice has 4 sides, marked with zero, one, two or three pips. The minimum score is zero, and the maximum score is 6. Throwing one of these dice has 16 possible combinations. Not your regular dice! |
| | These so-called 'Non Transitive Dice' (Magic Dice) demonstrate a probability that violates common sense and traps the unwary. |
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| Another variation on Non Transitive Dice, this time based on a set of three 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... |
| | A really charming tin toy this one. We like it a lot! |
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| A set of 3 solids of constant width, made from solid aluminium, with a width of 35mm. Whichever way you roll them, their width is always the same! |
| | We are very proud to be able to offer this beautiful physical version of Dudeney's Dissection, where the 4 pieces are hinged, so that you can... |
| | 'Napier's Bones' is an early calculating device that allowed the user to carry out multiplication and division. |
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| The tangram consists of seven flat shapes, called tans, which are put together to form shapes. This ancient puzzle originated in China, and was... |
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