The World’s Best Bug Viewer by Navir is vented enabling children to safely observe live insects or invertebrates. It has 2 lens to magnify insects and other objects such as flowers, leaves, coins. Use the markings on the base to measure the object. The optics are superb. Dimensions 7 x 7 x 7.5cm. Age 5 -12 years. Large lens: diameter 45 mm Small lens : diameter 32 mm Magnifications : 2 and 4 Educational Benefits of World’s Best Bug Box by Navir: develop observational skills learn about insects gain an understanding of magnification develop skills in measurement
