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from £8.00
Non transitive Grime dice

In this set of dice, green tends to beat red, red tends to beat yellow, yellow tends to beat blue, and blue tends to beat purple. So you might think green is the best dice and purple is the worst. But here's the...
from £10.00
Shapes of constant width in acrylic – set of 4

No matter how you rotate a circle, it’s width will always stay the same. So far so obvious. But if you thought this property was unique to circles, then these shapes of constant width will blow your mind. Check out...
£9.00
Amicable Numbers pair of keyrings – Nerd Romance

In the world of numbers, 220 and 284 are special because they come as a pair. They are a pair because, if you take all the numbers that divide 220 (1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110...