Rocks are used to craft Cobblestone and can be obtained from sifting Dirt in a <a data-proxy-href="/forums/proxy.php?link=https%3A%2F%2Fwww.pandacraft.org%2Fforums%2Fthreads%2Fsieves.6%2F&hash=d8d8f7996b3c1ed170ecab28fe6a68f4" rel="nofollow noopener" href="/sieve">Sieve</a>. Each Dirt block sifted yields one Rock and you can combine 9 of them in a Workbench to craft one Cobblestone.<br /><br /> <div style="text-align: center;"><img data-url="" data-zoom-target="1" alt="Rocks to Cobblestone Recipe" data-pagespeed-url-hash="957037216" src="https://ik.imagekit.io/pandacraft/Tutorials/Rock/RockCobblestoneRecipe_4j8FWzolFoK.png?updatedAt=1637422647598" onload="pagespeed.CriticalImages.checkImageForCriticality(this);" /><br /> </div>Right-clicking with a Rock will throw it and deal a single point of damage and some knockback to any mob it hits. Useful for knocking mobs off the edge of your island.<br /><br />Rocks are mainly designed as a way to get started in the <a data-proxy-href="/forums/proxy.php?link=https%3A%2F%2Fwww.pandacraft.org%2Fforums%2Fthreads%2Fhard-mode.84%2F&hash=858bdb8ba3bb47986dd11813e497c504" rel="nofollow noopener" href="/hard-mode">Hard Mode</a> island.