Ok… this one has me floored.
You have three dice.
One has the numbers 3,3,3,3,3,6
One has the numbers 2,2,2,5,5,5
One has the numbers 1,4,4,4,4,4
Now, these numbers will, like normal dice, have an average roll of 3.5
If you roll them against a regular dice, you will have an expected even win/loss ratio.
If you roll them against one another, you will have something very odd happen.
Rolling Dice A against B, A wins frequently.
Rolling Dice B against C, B wins frequently.
Rolling Dice C against A, C wins frequently.
Been trying to find the dice locally… Only places that make them are in the UK. I may have to look into other options, because my dad would kill for these.