Patent ID: 7223152

Claim:
A wind propelled rolling vehicle system, comprising: a sheet configured with a removable first shape, second shape and plurality of third shapes; an adaptor configured to rotatably couple said first shape to said second shape and defining a first axis of rotation; an axle portion configured to couple to said second shape and defining a second axis of rotation; and hub portions that form one or more flanged hubs configured to couple at least one of said third shapes to said axle portion, said hubs comprising a bearing surface oriented generally perpendicular to said second axis of rotation to maintain proper alignment of the at least one of said third shapes in relation to the second shape, and a bushing surface adjacent to said bearing surface and oriented generally parallel to said second axis of rotation to spread dynamic loads and maintain proper alignment of the at least one of said third shapes in relation to the axle portion for smooth rolling thereof; wherein said shapes are configured in one unitary sheet of lightweight low-mass material, and are configured to relatively easily couple together to form a 3-dimensional rolling toy that is propelled by and stable in dynamic wind environments due at least in part to the combination of bearing and bushing surfaces of the hubs.