The Returning Hovercraft is an idea on how to make an object float and return to it's original location once moved. The center block has to be two-x-two from top view.
The centerblock will be surrounded by eight flat, half-block hover blocks, two once each side, all with
Does - Hover
with a power of at least one. The higher the power, the harder it is to move from its original state, and the faster it returns once moved. The hovercraft must hover somehow, usually with more hover pieces or a levitation center block.