With this microscope set, young scientists can investigate everything from cells to crystals. Perfect for individual or classroom use, the glass eyepieces and power settings, 300X, 600X and 1200X, provide users with superior precision viewing. The built-in nature light (through the mirror) and LED (powered by two AA batteries) illumination system and rack-and-pinion focusing help deliver bright clear images. The 48-piece kit has professionally prepared slides and everything users need to make their own specimen slides. The microscope has durable metal framework, single coaxial coarse focusing and specimen stage with two built-in stage clips. It includes high-quality components and features that make it appropriate for science learning at any age. The kit comes with sample slides, cover slips, tweezers, scalpel, specimen vials, adjustable lenses, collecting lamps plus a sturdy hard case for easy storage and travel. This kit is great for beginning scientists. Two AA batteries for LED lig