Giantmicrobes Themed Gift Boxes - Zombie Attack Lurking deep in your imagination you see a horde of zombies. Warning: there is a real zombie virus lurking deep in the permafrost waiting to return from the dead. Not much will stop all of these Zombie Attack microbes from replicating joy and hilarity once you grab them. And nothing can stop you from collecting these flesh-eating, brain-munching and plague-spreading organisms. Includes these 4 mini microbes: Zombie Virus (larger size), Flesh Eating, Brian Eating Amoeba, Black Death. Each mini microbes measures 2-4 inches.