Hover Bench

 is a limited-time decoration that was released on August 16, 2016, as part of the SciFi 2016 Event. It a craftable item. Four demos obtained for Robot Parts, those  to levelling up the 3D Printer. Once the demos are completed, additional ones obtained for Future Bucks.

Trivia

 * It can be placed on grass, pavement, dirt, beach, boardwalk, pier, edge of boardwalk, and edge of pier.