Most folks never realize how cute microbes can be when expanded
1,000,000 times and then fashioned into cuddly plush. Until now, that
is. Keep one on your desktop to remind yourself that there is an
"invisible" universe out there filled with very small things that can
do incredible damage to much bigger things. Then go and wash your
hands. Lather, rinse, repeat.
Here is the web site. The options include human sperm, toxic mold, and, best of all, gangrene. If you read closely it seems you only get a picture, not the real thing.
I thank TheBrowser for the pointer.