close
play

HOW TO PLAY

  1. Find and click on a blue star .
  2. Read the fact and figure out if the microbe it describes can help people or hurt them.
  3. Find all 12 stars in the cafeteria to solve the riddle! Along the way, find out more about these tiny creatures that do some big, amazing things.
Why don't microbes get married?

Because they are             -             !
HOW TO PLAY