The Tapper is a type of Refining Equipment that can be placed on a tree to produce Maple Syrup, Oak Resin, Pine Tar, Sap, or Mystic Syrup. It can also be placed on a Mushroom Tree to produce different mushrooms. It can also be placed on a Green Rain Tree (Type 3) to produce Fiddlehead Ferns. Other types of Green Rain Tree cannot be tapped.