The set with 5 dice is also more insane (you can buy all this stuff from http://www.mathsgear.co.uk/ http://www.mathsgear.co.uk/), you can create a circle of di

The set with 5 dice is also more insane (you can buy all this stuff from http://www.mathsgear.co.uk/ http://www.mathsgear.co.uk/), you can create a circle of dice that beat each other going clockwise. But if you then double up the dice (two red, two blue etc), the order switches to anti-clockwise. There's also a second (star-shaped) loop in case someone works out how the first loop works.