Specification Brand : GSC International Label : GSC International Manufacturer : GSC International PackageDimensions_Weight : 2.00 PackageDimensions : L:10.00 X W:7.00 X H:2.00 PartNumber : 1864 ProductGroup : BISS Basic ProductTypeName : SCIENCE_FUNDAMENTALS_KIT Publisher : GSC International Size : 1/2" height x 3/8" top x 9/32" bottom SmallImage_Height : 75 SmallImage_URL : https://m.media-amazon.com/images/I/41FkaFxu2+L._SL75_.jpg SmallImage_Width : 75 Studio : GSC International Title : GSC International Molecular Model Student, with 154 Pieces which Include 74 Atoms and 80 Bonds. Weight : 2 WeightUnit : pounds