Cobblestone Breaker

A cobblestone breaker can be used to automate cobblestone mining. A cobblestone breaker can be crafted by dropping 1 hopper and 2 pistons onto a crafting table. It breaks blocks of cobblestone that are 1 block above it. It will then store it inside of it's inventory. Much like a hopper, it will output items to an inventory below it. Crafting your first cobblestone breaker earns the player the advancement "Take A Break".