Here is my armchair analysis:
There are two types of products
-the durables(bunsen burner, microscope, etc)
-the replenishable (the chemicals, test tubes etc)
My examples are few because they are based on my recollection of high school many years ago.
Decide which you want.
For both, you are going up against wahindis and bookshops in major towns. Find a way to ingiza HOD,BOG,DEO,CEO and any other acronym box