A work robot includes a holding unit for holding a work device, holding unit moving means, an information processing unit, a storage unit, and a variable storage unit. The tray having a support surface, front side, a back side, a left side and a right side. This invention could be effectively used even where high security is required; to detect, recognize, identify and even track the movement of material, animal, plant and person Worldwide, in air, water, underground and any other place in Universe, based on the odoursmell properties of these. The first of the wheels will spin and provide an outcome upon a specified outcome of the reel game.