Image Item No. Description  404-1 (Inv)  Universal Building Set 456 Parts, 3 Minifigures, 1977 Catalog: Sets: Universal Building Set: Basic Set  1522-1 (Inv)  Basic Building Set Trial Size 40 Parts, 1989 Catalog: Sets: Universal Building Set: Basic  1524-1 (Inv)  Basic Set Trial Size 30 Parts, 1 Minifigure, 1986 Catalog: Sets: Universal Building Set: Basic  1678-1 (Inv)  Basic Building Set Trial Size 44 Parts, 1991 Catalog: Sets: Universal Building Set: Basic Set