Burn your Burnable Square and get in exchange a Burned Square with a color that will depend on the gas price of Ethereum Mainnet at the moment of the transaction.

Anything over 15 gwei will make your square non-white.

Anything over 100 gwei will make your square black.

Anything in between... you got it.

After you have burnt your Burnable Squares you'll be able to keep them as they are or ███████ ████ ██ ████ ████ ████ art.