Small Engine

 is a relic material used for crafting and trading.

Obtaining
s can be rarely found by mining in Abandoned Ruins #1.

s can also be obtained in the Sewage Plant by defeating the Chemical Dropout boss on Level 1, or randomly found in treasure chests on any level of the Sewage Plant.

One is rewarded for finishing The Cave On Amber Island mission.

can also be purchased at the following shop:

Usage
is used for crafting and trading. It can also be gifted.

Trade
s can be traded for furniture to the Mysterious Man.

Worktable
is a required ingredient when crafting the following item:

Assembly Station
is a required ingredient when crafting the following items:

Gift
can be given as a gift to other characters.