Molecular Model Set, 109pcs

SPECIFICATIONS Brand Name: Mad Science Model Number: LZ-23109 Origin: Mainland China Subject: Chemical Choice: yes semi_Choice: yes LZ-23109 molecular model, 109pcs 23mm Dia. organic molecular structure model kits for high school / college students / teachers Name: LZ-23109 molecular model kit Material :PP plastic total quantity:109pcs The diameter of the balls:23mm Packaging included: 109pcs balls and bonds (no box) Note: This set model packed in the PP bag, there is no box,if you need the box,please contact us and pay some extra money for the box. 100% brand new and high quality,we have our own factory,if you need a large quantity,we can give you a better price,or you need customize your own model according to your needs,then please feel free contact us. I am a chemical engineer,if you have questions related to the chemical model, you can also contact me,we will be happy to answer your questions. This set model contains as below: FAQ Q: Frequently Asked Question A: Answer to the question above. Q: Frequently Asked Question A: Answer to the question above. Q: Frequently Asked Question A: Answer to the question above. Describe your brands story, including establishment and development timelines, milestones, etc.