Hammer Block

A hammer block can be used to crush blocks into different blocks or items. A hammer block can be crafted by dropping 8 stone bricks and 1 cobblestone onto a crafting table. You can crush items by dropping them onto a hammer block. Crafting your first hammer block earns the player the advancement "Hammer Time". Hammering your first piece of cobblestone into gravel earns the player the advancement "Coarse Grain". Hammering your first piece of gravel into sand earns the player the advancement "Fine Grain". Hammering your first log into wood chippings earns the player the advancement "Chips! (Do Not Eat)".

List of all hammer blocks recipes:
 * 1 Cobblestone -> 1 Gravel
 * 1 Gravel -> 1 Sand
 * 1 Log -> 2 Wood Chippings