1.Molecular structure models. 5 models in a set.3.1 1 pieces of model consisting of plastic spheres of various colors and metal cores. 2.Diamond - spheres of black color, the size 255255255 mm. 3.Graphite spheres of black color, the size 455455255 mm. 4.Iron spheres dark grey color, the size 255255255 mmCopper spheres of gray color, the size 255255255 mm. 5.Table salt spheres light-gray and green color, the size 255255255 mmMagnesium spheres spheres of gray color, the size 260260290 mm, dioxide carbon spheres of black and red color, the size 255255255 mm,Iodine spheres of green color, Ice spheres of white and red color.3.1m.