Dice Rabbit

Dice:
Four Sided, Six Sided, Double Dice, Eight Sided, Ten Sided, Twelve Sided, Twenty sided, percentile dice

Coins:

Iron Coin, Copper Coin, Gold Coin

The dice are consumable. They are crafted with 5 stone by anyone, but can be reduced with Brick-working efficiency. They display their results, and the dice rolled in general chat.

The coins cannot be reduced with efficiency. However:
Bloomery = 5 coins per ingot & require smelting
Blast Furnace = 10 coins per ingot & require advanced alloys