HGS Molecular Structure Model Type B Set, ideal for organic chemistry research. - Brand: MARUZEN - Model: HGS Molecular Structure Model Type B Set - Application: For organic chemistry research Thank you for viewing. * Several of the following parts are missing: the sphere in the lower left, the pink rod in the lower left, and the black hexagon in the lower right (photo 2 shows the missing parts). * Comments are written on the bag (photo 3). * The shipping method may be changed from Rakuraku Mercari Bin to Yu Yu Mercari Bin.