Premium Material---The molecular model set is made of durable, safe, and non-toxic materials. It is wear-resistant, corrosion-resistant, and not easily damaged, designed to last for years. The high-gloss finish and smooth texture ensure long-term use without breakage. Product Feature---This organic chemistry model helps chemistry learners understand three-dimensional molecular structures in the microscopic world. It is an essential educational tool to inspire children and students in chemistry studies. Precise Chemistry Model---This comprehensive set provides all necessary components for hands-on experimentation. Teachers and parents can use it to explain complex molecular structures more effectively than with textbook images alone. Powerful Function---The set includes models for C, H, O, N, Br, and other atoms, along with various single, double, and long bonds. It supports the construction of most organic and inorganic molecular structures used in high school and university chemistry courses. Electron Orbital Model Kits---The kit includes additional electron orbital models for advanced chemistry education. It enhances practical understanding of molecular bonding and is an essential learning aid for students and children. Material: ABS Color: As Shown Package Contents: 86 x Atom Model 153 x Link 1 x Link Tool 1 x Plastic Box Only the above package content is included; other items are not part of this product. Note: Lighting and display differences may cause slight color variations between the image and the actual item. Measurement may vary by +/- 1-3 cm.