Feature: 1. Model Set: This model is composed of colorful plastic balls and connecting keys, with bright colors, excellent craftsmanship, easy to use, and .2. Applicability: This model can be used to describe the structure of various inorganic and organic molecules in chemistry textbooks. Inorganic/organic chemistry tutorial, organic molecular structure model, spherical molecular structure model. 3. Material: Made of environmentally friendly plastic, it is very safe and will not break, and has a long service life. 4. Multifunction: The model can improve students' interest in learning, and teachers can explain it more intuitively. Very convenient. Stimulate children's interest in learning, exercise practical skills, and expand spatial imagination. 5. Features: This model set can be used to build a variety of common and slightly complex C, H, O, N, chemical organic molecular structure models, suitable for teaching and laboratory use. Specification: Item Type: Chemical Atomic Structure Model Package List: 40 x White Atoms 34 x Black Atoms 6 x Yellow Atom 2 x Dark Purple Atom 1 x Light Purple Atom 3 x Brown Atom 4 x Silver Gray Atom 7 x Red Atom 7 x Blue Atoms 6 x Green Atom 6 x Orange Atom 18 x Purple Long Connection Key 8 x Light Purple Middle Connection Key 20 x Long White Connection Keys 60 x White Clock Connection Keys 6 x White Proportional Double Bond 30 x White Proportional Single Key 1 x Small Wrench 1. Our listing price includes the value of goods,packaging cost,and export taxes,not including international duties. 2. duties,taxes,and charges are not included in the item price or shipping fee. 3. The duties are buyers' responsibility.Please check with your country's customs office determine what these additional costs will be prior to your purchase. 4. All disputes arising from the duties will be submitted to ebay for solution. 1. Any questions, pls. contact us via ebay message or email us.We will reply your message within 48 hours. If you do not receive our reply within 48 hours, pls. post a message again because sometimes our message system may block some emails. 2. If you are satisfied with our service, pls. kindly leave us a positive feedback and give us the Detailed Seller Rating with all "5 " in very area3. Our aim is to provide Level Customer Service, your recognition will encourage us greatly and serve you better. We strive to keep all our customers satisfy. We will do our up most to exceed your expectations in customer service, communication and dispatching of your orders. ![]() |