Set of prepared slides is perfect for elementary and high school level students who are interested in learning about the building blocks of science and nature through the lens of a microscope (sold separately) Each slide is clearly labeled for easier identification of the specimen it contains Specimens are sealed behind a cover slip made from high-quality optical glass Included slotted slide case makes it easy to safely store and organize the slides Set of 12 slides includes the following specimens: Penicillium Notatum; Lycopodium Spore; Aspergillus Niger; Sunflower Pollen; Pine Tree Pollen; Tulip Pollen; Leaf Spore; Fern Spore; Lily Pollen; Pumpkin Pollens; Bottlebrush Spore; and Chrysanthemum Pollen