Elenco  12 Prepared Slides with 6 Blanks Get started in the fascinating study of the microscopic world 12 professionally prepared slides with 36 assorted specimens Specimens: Beverage samples, plastic, synthetic fibers, grasshopper, medicine & starch, micro-film, natural fibers, animal, algae, vitamin & fungi Set also includes 6 Blank slides Another fun, educational product from Elenco, the company that brings you Snap Circuits