Help Dr. Microbe complete her research with your tweezers, a petri dish, and the colorful microbes. Using logic, race your fellow scientists to figure out which microbes are missing from the incomplete challenge card and snatch them up fast! find the answer using this key: the superbug must always be a different shape and color than the other three microbes in your dish. Be the fastest scientist in the lab to impress Dr. Microbe and win! Ages 8 and up. 2 to 4 players.