Levenhuk N80 NG ''See it all'' Slides Set (A full-color guide included) samples from the animal world (Vertebrates, Insects, Microorganisms) samples from the human world (Integumentary system, Circulatory system, Locomotor system, Nervous system, Internal organs) samples from the plant world (Leaves, Stems, Roots, Blossom and fruit, Mushroom) other samples (the world around us)