Billions of people a year catch the cold. Now you can get one too. Kids of all ages and degrees of health can learn about the Common Cold with this cuddly 5" to 7" companion (about a million times the actual size of the virus). Also available are three tiny Common Colds in a Petri dish for 12.95 and a Giant Common Cold (15" to 20") will be available starting April 10, 2009. Launch date: 2006.

With five favorite mini microbes dressed up for Christmas: a Stomach Ache Gingerbread Man, a caroling Sore Throat, Frosty the White Blood Cell Snowman, an angelic Nerve Cell, and an exclusive Amoeba in sparkly gold lamé, only available in this set.

Each petri dish of orange putty in the company’s new line of product, GIANTmicrobes® Primordial Putty, includes a different collectible figure. Choose from Flesh Eating Disease, Black Death, Ebola Virus or Anthrax. Perfect for Halloween parties and stocking stuffers. Launch date: 2012.