bed - a piece of furniture that provides a place to sleep; "he sat on the edge of the bed"; "the room had only a bed and chair"

roller - a cylinder that revolves

wheel - a simple machine consisting of a circular frame with spokes (or a solid disc) that can rotate on a shaft or axle (as in vehicles or other machines)

go, locomote, move, travel - change location; move, travel, or proceed; "How fast does your new car go?"; "We travelled from Rome to Naples by bus"; "The policemen went from door to door looking for the suspect"; "The soldiers moved towards the city in an attempt to take it before night fell"