Manhole Station

The  is a limited-time decoration that was released on March 28, 2017, as part of the Secret Agents 2017 Event. It a craftable item. Each item crafted to levelling up the Hidden Research Facility.

Trivia

 * It can be placed on grass, pavement, dirt, road, cobblestone road, boardwalk, pier, edge of boardwalk, or edge of pier.