Premium Material---The molecular model set is made of durable, safe, and non-toxic ABS material. 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 includes all necessary components for hands-on experimentation. Teachers and parents can use it to explain complex molecular structures more effectively than with book illustrations alone. Powerful Function---The model includes atoms for C, H, O, N, Br, and other elements, along with various single, double, and long bonds. It supports building 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 resource 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 Note: Light shooting and different displays may cause slight color variations between the image and the actual item. Measurement allowance is +/- 1-3 cm.