The My First Lab Duo Scope features: 40x 100x & 400x magnifications Real Glass Optics 6 hole disk diaphragm Battery Operated and an extensive 50 pc accessory kit! The Duo-Scope is a dual functioning biological microscope that incorporates modified objectives with dual cool LED illumination! This allows the user to view both microscopic sized specimens on slides as well as macroscopic (solid) objects like bugs stamps and coins! Manufacturered by My First Lab. The microscope accessory kit includes: 12 plain slides 2 concavity slides cover glass forceps plastic dropper and more! Sold by the set of two (Includes 1 Microscope and 1 MFLKIT). This set includes the My First Lab Duo Scope and Microscope Accessory Kit!