Image Item No. Description  21015-1  (Instructions) for The Leaning Tower of Pisa Catalog: Instructions: Architecture  21017-1  (Instructions) for Imperial Hotel Catalog: Instructions: Architecture  21018-1  (Instructions) for United Nations Headquarters Catalog: Instructions: Architecture  21019-1  (Instructions) for The Eiffel Tower Catalog: Instructions: Architecture  21050-1  (Instructions) for Studio Catalog: Instructions: Architecture