GIANTmicrobes Beer and Bread (Saccharomyces cerevisiae) Petri Dish Includes a petri dish with 3 mini GIANTmicrobes Beer and Bread dolls Comes packaged with a microscopic image of yeast and fun, educational information Perfect for GIANTmicrobes collectors Approx. 1,000,000 times actual size Great gift for beer enthusiasts!