For AP® Biology Lab 3. Eight-Station Kit includes enough materials for a class of 32 to successfully complete the mitosis portion of the Mitosis and Meiosis Laboratory. The meiosis portion requires the 17-1100 Chromosome Simulation BioKit®, which is not included. One station kit includes materials for one lab group of 4 students. Using prepared slides and electronic images on embryonic animal and meristematic plant tissues, student learn about the 4 stages of mitosis. A Sordaria Demonstration Cross Plate (15-5846) for demonstrating crossing-over during meiosis is also provided. Kit includes materials and instructions for extension activities at no extra cost to the teacher. Each kit includes a coupon for prepaid shipment of perishable materials. Sordaria cultures are shipped on Fridays only and are ready for use the following Wednesday, Thursday, or Friday. Please give 2 or more weeks advances notice for delivery of Sordaria culture.