... geared focusing, stage clips, reflective mirror or battery illumination. This microscope is an excellent unit for beginners. Eyepiece, 10x, Objectives, 10x ... focusing, stage clips, reflective mirror or battery operated illumination. Comes with 1 plastic prepared slides and 3 blank plastic slides, 6 ... .5"x 5".Requires 2 "AA" batteries (not included) Elementary Microscope with Discovery Kit 300X