Abstract: Disclosed is a vehicle having a body portion which may be rolled upon and secured to a mating surface. In one embodiment, the vehicle comprises a first axle having a wheel member mounted thereon and a second axle having another wheel member mounted thereon. Each of the wheel members comprise an integral fastening portion of the same material as the wheel that is engagable with the mating surface so that the vehicle may be secured to the mating surface regardless of the orientation of the mating surface.

Abstract: An adjustable pulley drive belt, comprising a flexible elongate band having a male end and an opposite end, which includes a receiver mechanism for receiving the male end; releasable securing mechanism mounted on the receiver mechanism for movement between a remote position, permitting movement of the male end relative to the receiver mechanism, and an operative position in which the securing mechanism bites the male end to prevent removal of said male end from the receiver mechanism.