Color coin

A Challenge Coin is a Special type of Coin that is found in Super Mario Run. There are 3 types of Challenge Coins : The Pink Challenge Coin

The Purple Challenge Coin

And The Black Challenge Coin

When The player gets all coins of a type for example Pink in a stage, that type of Challenge Coin will now have a crown on it to show that the player got all Challenge Coins of that type in that specific Stage.