・This is the heart structure model A and B from Eugene's Human Anatomy Picture Book. ・I purchased and opened these a long time ago, and displayed them for a short while. ・There may be some discoloration due to aging. ・Please check the images for the condition of the product. ・Please purchase if you understand that these items have been stored at home and inspected by an amateur. ・Please feel free to contact me if you have any questions about the product or if you would like additional photos.