| An elegant, transforming geometric puzzle. Based on the Yoshimoto Cube, which we used to sell about 20 years ago! |
| | These so-called 'Non Transitive Dice' (Magic Dice) demonstrate a probability that violates common sense and traps the unwary. |
| | Another variation on Non Transitive Dice, this time based on a set of three dice. |
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| An unusual pair of dice. Martin Gardner reported on the discovery of these dice by a certain Colonel George Sicherman, of Buffalo, New York, in a... |
| | A really charming tin toy this one. We like it a lot! |
| | 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! |
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| 'Napier's Bones' is an early calculating device that allowed the user to carry out multiplication and division. |
| | The tangram consists of seven flat shapes, called tans, which are put together to form shapes. This ancient puzzle originated in China, and was... |
| | It is not that these beads are hyperactive, rather that they trace out the shape of a hyperboloid! |
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