Carson MicroPen LED Lighted 24x-53x Magnification Microscope Pen (MP-300) Portable, Powerful and Lightweight Design 24x-53x Power Magnification LED Lighted | Uses 3-G3 Button Cell Batteries (Included) Perfect educational beginner microscope for studying nature, fabric, printing pixels, currency, stamps, jewelry and more Backed by Carson's limited life-time warranty