Get a close-up look at the building blocks of microscopic life with this microscope slides set from Walter Products. Ideal for elementary and high school students, this collection features 12 samples of hair pollen, including pumpkin pollens, fern spores, pine tree pollen, penicillium notatum, and more. It also includes a slide carrying case. | Walter Products Pollen & Spores Prepared Slides - Set of 12