Inner packs dimension (L*W*H CM): 15*9*3.6

It consists of plane mirror, plane mirror stents, triangular rule, plastic candle. It is used to prove that the line between plane mirror and image, and the line between object and image are normal to mirror surface, and are equal to distance of mirror surface. The object and image flips left to right, but are the same size. The image of object affected in plane mirror is virtual image.