20 Pieces 90 x 15mm Plastic Petri Dishes with Lid Clear Projects Petri Dish for Laboratories Storing School Themed Party

Features: Clear design: These plastic petri dishes with clear design help to monitor the progress without disturbing the content, which means you can mark different content and conditions from outside in order to measure the growth. In addition, you can mark the bottom of each petri dish with the experiment number, if the lid becomes separated, the culture will be still be identifiable. Arouse curiosity: You can use these clear petri dishes to do experiment with kids together, readily stimulating curiosity about the world from their childhood. It is a good way to encourage them to study and enjoy parent-child time. Specifications: Material: plastic Size: 90 x 15mm Color: clear Package included: 20 x Plastic petri dishes Warm Notices: Anaerobic organisms may not grow as well in a vented petri dish. Manual measurement, please allow slight errors on size.