Dr. McLaney and Dr. McLaney had a laboratory in the house that was a treasure chest of wonders. "Isaac and Casey" use what you already know to interpret the meaning of the metaphor in two to three sentences.
a) The laboratory was filled with valuable artifacts owned by Isaac and Casey
b) The laboratory was filled with intriguing experiments conducted by Isaac and Casey
c) The laboratory was filled with wonders that were highly sought after by Isaac and Casey
d) The laboratory was filled with mundane objects cherished by Isaac and Casey