Image Item No. Description  795-1 (Inv)  Baseplates, Red and Blue 2 Parts, 1971 Catalog: Sets: Universal Building Set: Supplemental  796-1 (Inv)  Baseplates, Green and Yellow 2 Parts, 1971 Catalog: Sets: Universal Building Set: Supplemental  797-1 (Inv)  2 large baseplates, gray/white 2 Parts, 1971 Catalog: Sets: Universal Building Set: Supplemental  bb0173-3  Holdall Storage Bag {UK Release} 1971 Catalog: Sets: Universal Building Set: Supplemental