Image Item No. Description  m90basic  1990 Mini Basic (112983-EU) Catalog: Catalogs: 1990: Universal Building Set: Basic  m91ca2  1991 Mini Basic Canadian (833118) Catalog: Catalogs: 1991: Universal Building Set: Basic  c99basic  1999 Medium Basic (4112695/4112696-IN) Catalog: Catalogs: 1999: Universal Building Set: Classic Basic  m99basic2  1999 Mini Basic (4124558-IN) Catalog: Catalogs: 1999: Universal Building Set: Classic Basic  m00bas  2000 Mini Basic (4130229/4124599-IN) Catalog: Catalogs: 2000: Universal Building Set: Classic Basic