Abstract: A lifting device and method therefore utilizing an air bag or the like for lifting an object supported by a wheeled platform or the like, from a stationary, parked configuration wherein the object conceals the wheeled platform and supports the object, to a lifted, configuration whereby the wheeled platform supports the object, allowing same to be easily moved via the wheeled platform. The preferred embodiment of the present invention contemplates a planter unit comprising a pot or the like for containing a plant, said pot having a false bottom wherein there is situated a support platform having castors or the like thereon, and an air bag or other flexible container configured to be filled with fluid situated between the wheeled platform and the underside of the pot. In use, the false bottom has a cavity formed therein to enclose the wheeled platform, the false bottom having a lower edge supporting the pot when the air bag is uninflated.