Feature 1、All optical glass K9 lens, wider reflection area, eliminate dark Angle, more clear observation. 2、Strict quality control and quality assurance, high safety factor, can be used with peace of mind. 3、Made of high quality aluminum alloy material, with strong toughness, sturdy, durable and long service life. 4、Imported aluminum alloy, drop resistance and compression resistance, reinforced base, wear‑resistant and practical. 5、10‑20X variable times, eyepiece with 4 lenses, can zoom 10‑20 times, with dual light source, not limited by light, multi‑scene available. Item Type: Children's Microscope Eyepiece: 10-20X Objective Lens: 5X, 20X, 60X Magnification: 50X, 100X, 200X, 400X, 600X, 1200X Daylighting: Reflector + LED Cold White Light Source Applicable Age: over 8 Years Old Body Material: Aluminum Alloy Lens Material: All-optical Glass K9 Lens Weight: Approx.1690g/59.6oz Battery: 2 x Bottom Light Source AA Battery (need to Be Purchased Separately) 2 x Top Light AAA Batteries (Sold Separately) Package List 1 x Microscope 1 x Box of Slide 1 x Specimen 1 x Glue 1 x Stain 1 x Sea Salt 1 x Shrimp Eggs 1 x Incubator 1 x Plant Specimen 1 x Animal Specimens 1 x Cover Glass 1 x Label 1 x Spare Bulb 1 x Stirring Rod 1 x Test Tube 1 x Plastic Dropper 1 x Tweezers 1 x Probe 1 x Knife