Tunnel your way into the caverns below the surface of Patch Land to uncover long-forgotten treasures. But be careful where you dig! Falling blocks and temperamental Candlemanders make the Mole Hole a dangerous place to explore.”
— Official guide
Mole Hole is a stage appearing in Kirby's Epic Yarn. It is the sixth stage of Grass Land and the first bonus stage in the game, coming after Fangora. The stage is unlocked by collecting sufficient Beads during the fight. Obtaining sufficient beads within the stage gives the Firecracker Patch, which unlocks Weird Woods, another bonus stage.
Mole Hole, as the name suggests, is a subterranean stage. It is the first to feature the Diggermetamortex transformation, which is held throughout the entirety of the stage.
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The unique feature of this stage is that it is not difficult to reach the end, and digging straight down will bring Kirby to the Bonus Bell in no time at all.
This features in one of Mara's race sub-games and is key to winning the race. However, in the regular stage, the main objective is to excavate as much of the stage as possible, as there are a substantial number of star Beads hidden in obscure or otherwise seemingly random (but fixed) areas of the map.