Book, Prepared & Blank Slides + 40X-1000X Cordless Student Biological Microscope 360 degree rotatable monocular offers five magnifications 40X-1000X Metal framework; optical glass lenses; co-axial coarse and fine focusing; single lens condenser and disc diaphragm Cordless LED illumination uses either an outlet or 3AA batteries 50pc assorted specimens of plants, insects and animal tissues The book: "The World of The Microscope"