Discover the fun of microbiology with plastic petri dishes and Nutrient Agar, Nutrient Agar is used as a culture medium to cultivate various household bacteria. Detailed agar preparation instructions included. Three 90mm Petri dishes and one black of Nutrient Agar are packed together. These Petri dishes are made of polystyrene and are sterilized. Ages 7+
A Jumbo Petri dish is used to culture bacteria or other microorganisms. Big enough to place a child's hand. This plastic Petri dish is made of polystyrene. Sterile and individually packed. Ages +