7000Alpha Advanced Set <2nd Edition>

 Click this image to view the manual   This is the largest set of the stereochemistry molecular models and very useful in the various fields of chemistry. The previous set #7000 was updated and simplified to be well-suited for various organic, inorganic, and biochemical molecules. This set of 2nd edition contains sp3-silicon, sp3-sulfur, octahedral d2sp3-metal, trigonal bipyramidal dsp3-metal atoms and aziridine units also.