Premium Material---The molecular model set is made of durable, safe, and non-toxic materials that are wear-resistant and not easily damaged. Designed for long-term use, this product maintains its high gloss and smooth texture without breaking easily. Product Feature---This organic chemistry model helps chemistry learners understand 3-dimensional molecular structures in the microscopic world. It is an essential educational tool for children and students studying chemistry. Precise Chemistry Model---This comprehensive model set includes a complete collection of components, allowing users to conduct various experiments. For teachers and parents, it simplifies teaching complex molecular structures compared to using only book illustrations. Powerful Function---The set includes atoms such as C, H, O, N, Br, and other metals, 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 for experimental study. Electron Orbital Model Kits---The product includes additional electron orbital models suitable for advanced chemistry education. It enhances hands-on learning and understanding of molecular bonding, making it an essential tool 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 and display differences may cause slight color variations between the image and the actual item. Measurement error allowance is +/- 1-3 cm.