On the first floor, there is also a display of artifacts, such as ironware, excavated from Kurozuka Tumulus with explanation panels to describe Kurozuka Tumulus as well as Yamato during the Kofun period (tumulus period).
ほか1階では鉄器など黒塚古墳出土品を展示して古墳時代の大和と黒塚古墳についてパネルで紹介している。