Roll over image to zoom in Deluxe Die-Cast 50 Pcs HD Microscope Set Manufacturer's recommended age: 8+ Magnifying Power 100x/450x/900x 8 'prepared' slides: Ant, Mosquito Head, Wing of a Bee, Silkworm Larva, Fern Root, Wing of Butterfly, Coprinus Mushroom and Sponge. Advance Edition 4 'blank' slides, Deluxe storage case, 2 AA Duracell batteries included