What is serapeum boxes?

Serapeum boxes are ancient Egyptian boxes that were used in the Serapeum of Saqqara, a temple dedicated to the god Serapis. These boxes were made of granite, diorite, or basalt, and were used to store the mummified remains of the sacred Apis bulls. The Apis bulls were considered divine beings and were mummified with great care. They were often adorned with jewelry and placed in the serapeum boxes, which were decorated with hieroglyphs and other symbols. The boxes were sealed with a cover made of stone, and some were elaborately carved with intricate designs. The serapeum boxes are considered an important artifact of ancient Egyptian history, as they offer insights into religious practices and beliefs of the time.