Surface Area-To_Volume Ratio Cubes

These are for a lab on surface area-to-volume ratio of cells. This explains why cells can not get too big.
Want an example activity?
https://docs.google.com/document/d/1uJ21VaYYjL_GI5iN6r5MgMgayN0VxNqiMH_6uRfhotc/edit?usp=drive_link

How did it go in class when you tried this? I am curious.